{
  "id": "spring-and-autumn-period",
  "title": "Spring and Autumn period",
  "lang": "en",
  "source_lang": "en",
  "summary": "The Spring and Autumn period (c. 770–476 BCE) is the first half of the Eastern Zhou dynasty, marked by declining royal authority, rising regional states, and major changes in ritual, politics, economy, and thought.",
  "category": "history",
  "subcategory": "",
  "type": "concept",
  "aliases": [
    "春秋时期",
    "春秋时代",
    "Chunqiu period",
    "Chūnqiū Shídài"
  ],
  "generated_at": "2026-10-09",
  "model": "pro/claude-haiku-5-5",
  "url": "https://aiwiki.page/en/spring-and-autumn-period/",
  "translations": {
    "zh-Hans": {
      "url": "https://aiwiki.page/zh/spring-and-autumn-period/",
      "json": "https://aiwiki.page/zh/spring-and-autumn-period.json"
    }
  },
  "sections": [
    {
      "heading": "",
      "text": "The Spring and Autumn period (春秋时期) is the first half of the Eastern Zhou dynasty in ancient China, conventionally dated from 770 to 476 BCE. It takes its name from the Confucius-linked chronicle of the state of Lu, and it is marked by the steady erosion of royal authority, the rise of powerful regional states, and a sweeping transformation of ritual, political, economic and intellectual life. Its end date is debated: some scholars place it at 453 BCE or 403 BCE, when the state of Jin was partitioned, and the transition into the Warring States period is itself a matter of interpretation.\n\nThis entry treats the period as both a political history and a formative era for Chinese civilization. It traces how the Zhou royal house lost its western heartland and moved east, how a shifting set of hegemons and alliances replaced the old feudal order, and how ministerial families usurped ducal states from within. It then examines the institutional, economic and military changes that accompanied these shifts, including early legal codification, the spread of iron tools, new forms of money, and the growth of a literate class of officials and advisers. The later sections cover the intellectual developments that grew out of this era, the textual and archaeological sources on which knowledge of it rests, and the historiographical debates over its chronology and meaning."
    },
    {
      "heading": "Name, dating and periodization",
      "text": "The name \"Spring and Autumn\" comes from the Spring and Autumn Annals (Chunqiu), a chronicle of the state of Lu that covers roughly 722 to 479 or 481 BCE. Tradition holds that Confucius wrote or edited it, a claim that later scholars have examined without settling. Because the label is taken from a text compiled in one state, it is a modern convenience rather than a term that people living in the period used for themselves.\n\nThe conventional span of 770–476 BCE begins with the relocation of the Zhou court eastward to Luoyi after the loss of the western capital, an event discussed in the next section. The end date is less fixed. Historians use 476 BCE for convenience. Others use 453 BCE, which is tied to the destruction of the Zhi clan by the Han, Zhao and Wei families, or 403 BCE, when the Zhou king formally recognized the partition of Jin among those same three families. The 403 BCE endpoint is also the date often given for the start of the Warring States period, so the choice of terminus changes whether the Jin partition is read as the closing event of one era or the opening event of the next.\n\nScholars also divide the period into early, middle and late phases. One commonly used scheme places the early phase before about 681 BCE, when the hegemony of Duke Huan of Qi was taking shape. The middle phase runs to about 546 BCE, when a conference at Song brought Jin and Chu into a shared arrangement of leadership. The late phase covers the years after that, when ducal houses were losing ground to ministerial families. These boundaries follow changes in who led the covenant system and in the balance between rulers and their ministers. Different authors draw the lines differently, and no ancient source uses these phase names.\n\nThe principal evidence for dating comes from the relationship between the Annals and the Zuo Zhuan (Zuo zhuan). The Annals records each event in a few words, usually giving the year by the reign of a Lu duke, the season, a sexagenary day and the place or persons involved, but it rarely gives causes or outcomes. The Zuo Zhuan, traditionally attributed to Zuo Qiuming, expands many entries into narratives that explain motives, describe negotiations and follow consequences. Historians rely on it to date and understand events, yet the two texts do not always agree on dates or details, and the Zuo's accounts may reflect later editorial shaping. Where the chronicle's wording is ambiguous, the narrative may be the only guide, and that guide can be contested.\n\nDating is further complicated by the fact that the Annals reports events in other states through Lu's calendar and records. Conversions to modern calendars depend on reconstructed chronologies and on eclipse records preserved in the text, which allow some events to be fixed with precision while others remain uncertain by a year or more. As a result, the timeline of the period is sometimes firmer for major battles and succession crises than for minor diplomatic exchanges. Modern accounts therefore usually present dates with the caveat that the framework is a reconstruction built from a terse chronicle, a narrative commentary and a set of astronomical checks."
    },
    {
      "heading": "The collapse of Western Zhou and the eastward move",
      "text": "The decline of the Western Zhou royal house began well before its end. In 841 BCE, the \"Riot of the Citizens\" occurred within the capital Haojing, signaling the onset of a crisis in the slave system, and royal authority declined thereafter. The dynasty's final crisis was closely tied to succession. King You set aside his queen and heir, Yijiu, and deposed Queen Shen and Crown Prince Yijiu. He made Bao Si the new queen and Bofu the new crown prince. The queen's father, the Marquis of Shen, answered this with a military alliance. Working with the state of Zeng and nomadic Quanrong groups, he struck at the king's capital, and the attack succeeded where a palace dispute alone would not have.\n\nThe fall of the western capital came in 771 BCE. King You of Zhou was killed by the Quanrong and the Marquis of Shen, the capital Haojing was breached, and the Western Zhou Dynasty fell. The loss went beyond the capital itself. Much of Guanzhong, the heartland of Zhou, was conquered and occupied by the Quanrong. The surviving court therefore had to rebuild its power in a different region entirely.\n\nThe rebuilding was carried out by Yijiu, who became King Ping after lords from several states intervened. Accounts describe the coalition of Zheng, Wei, Jin, and other feudal lords, heavily defeated the Quanrong, who subsequently retreated and then placed the disinherited heir on the throne. Ping's relocation to Luoyi, near modern Luoyang, was framed as a defensive move. Haojing was in ruins and still exposed to Quanrong raids, so the court moved the capital to the eastern city of Luoyi under the escort of his dukes and princes. A minor lord from Qin also provided protective escort during the relocation, which shows how far the royal house now depended on vassals for its security.\n\nThe date and sequence of the move are disputed. The conventional account places it in 770 BCE, when King Ping of Zhou moved the capital eastward and established it at Luoyi. The Xinian manuscript, a recently excavated bamboo text, gives a different sequence. It describes a rival king, Yuchen, who was enthroned at Guo with support from Ji Han, Duke of Guo, who conspired with the Quanrong to elevate Ji Yuchen to the Zhou throne. According to the same text, for nine years Zhou was without a king, and the rulers of the states and regional lords then for the first time ceased attending the Zhou court. Scholars treat this manuscript with caution, since its chronology could not be reconciled with the dates for Marquis Wen of Jin, and the move to Chengzhou is placed in 738 BCE in that version.\n\nThe eastward move did not restore royal strength. The new royal demesne was far smaller than the western domain, and the court's ability to command its vassals diminished accordingly. With the continuous contraction of the territory under its control, the royal Zhou court soon lost its monarchal authority and could no longer control its vassal states. Later sources describe the king's position in similar terms. Although the Zhou house officially continued to reign, in reality it was only in name. The loss of the Wei valley heartland had removed the principal material base of the dynasty, and the royal court never recovered the economic or military standing it had held before 771 BCE. The states that had rescued King Ping were now the real arbiters of politics, which set the stage for the hegemonic system that followed."
    },
    {
      "heading": "Regional states and the aristocratic hierarchy",
      "text": "Sources for the period name more than one hundred and forty polities, but only a dozen or so mattered militarily at any one time. Many small lords were absorbed, reduced to dependencies or simply erased from the record. After about 700 BCE, the smaller Central States mattered mainly as areas where much larger regional powers competed for influence. The political story of the period is therefore largely the story of a few states that could project force across hundreds of kilometres.\n\nThe principal states were Jin, Qi, Song, Zheng, Lu, Qin, Chu, Wu and Yue. Jin and Qi held the centre and north-east of the Zhou world, with Qi rooted on the Shandong peninsula, where its capital at Linzi was established earlier in the Western Zhou period. Duke Xian of Qi moved the capital to Linzi during the reign of King Li of the Western Zhou. Chu lay to the south, and Qin lay to the west along the Wei valley. Qin and Yan were often regarded as second-tier powers because of their remote positions, while Chu and Qi were among the dominant states and were in direct competition with Jin. Qin and Yan, owing to their remote locations, were traditionally considered second-tier powers, while Chu and Qi were among the dominant states of the period.\n\nTerritorial size did not follow neatly from rank. The noble hierarchy of duke, marquis, count, viscount and baron set formal relations among rulers, and each title carried ritual prestige. In practice, however, a state's real weight came from its land, its population and its capacity to field armies. A marquis with a large, populous state could outweigh a duke with a small one. Sources also disagree about how much territory a single state absorbed. For Qi, one account credits Duke Huan with annexing ten states, while the Xunzi and Han Feizi give figures of thirty-five and thirty.\n\nThe geography of the states shaped their rivalries. The Yellow River plain was the core of the Central States, the Shandong peninsula gave Qi access to the coast, and the Huai and Han valleys formed the southern frontier where Chu expanded. The Chu armies gradually intruded into the Yellow River Basin. Northern states treated Chu as an outsider and called it a \"southern barbarian\" power. Modern scholars read this label with caution. Yuri Pines argues that Chu originated as a normative Zhou polity that gradually developed cultural assertiveness in tandem with the increase in its political power, so the distinct cultural patterns associated with Chu emerged during the period itself.\n\nAlliances shifted often, and military success did not guarantee lasting dominance. At the battle of Chengpu in 632 BCE, Jin formed a military alliance with Qin, Qi and Song that defeated Chu. Chu later recovered influence, and in 597 BCE a Qi army crippled the forces of Jin in one of the greatest battles of the Spring and Autumn period, and for several years thereafter, the king of Chu was acknowledged as hegemon. Qi itself showed the same pattern: after Duke Huan's campaigns, Qi made peace with Chu at Zhaoling, a settlement that attained the position of hegemon for Duke Huan. These reversals show why the balance among the major states, rather than fixed rank, governed the period's diplomacy. The later shift toward a smaller number of consolidated powers, which is discussed in the Warring States period entry, grew out of these patterns.\n\nWu and Yue, in the Yangtze delta, stood apart from the northern system. Some southern states, such as Chu and Wu, claimed independence from the Zhou. Their rise brought them into repeated wars with their neighbours and with the older powers, a theme developed in the sections on hegemons and interstate warfare."
    },
    {
      "heading": "Ritual order, lineage and the authority of the Zhou king",
      "text": "The Zhou king's standing rested on the claim to be the Tianzi (天子, \"Son of Heaven\"), a title that placed him at the apex of a sacrificial and kinship order rather than at the head of a territory strong enough to compel obedience. After the eastward move, the royal domain was small and its revenues were thin, so the king's influence came mainly from ritual. Regional rulers rarely repudiated the title. Even as the royal house weakened, the states treated the king as the source of legitimate rank, and the sources depict the king as holding a privileged ritual office: in the Chunqiu-era view, the great sacrifice to Heaven belonged to the Son of Heaven alone, and the king's representatives were often sidelined at interstate meetings, where security interests increasingly determined what was done.\n\nPolitical order was also built on lineage. The Zhou royal house and most major ruling families claimed descent from common ancestors, and their surnames marked these ties: the Zhou kings and the lords of Jin and Lu were of the Ji (姬) line, while the ruling house of Qi was of the Jiang (姜) line. Ancestor worship, carried out in ancestral temples and recorded on bronze vessels, tied each house's legitimacy to its founders, and intermarriage between houses extended these bonds across the states. The same rules that encouraged marriage alliances also forbade marrying within one's own surname. The Analects records a case in which a Lu duke's marriage to a woman of his own surname was handled by giving her a different title, an evasion that shows how seriously the rule was taken. Kinship therefore both connected the states and gave them a shared vocabulary for dispute, since a slight to one house could be read as a breach of family obligation.\n\nCeremonial practice defined correct conduct for rulers and ministers. Rites of sacrifice, court audiences, mourning and feasting were occasions on which rank was displayed and confirmed, and deviations from prescribed forms could be read as political signals. The Analects criticizes the Ji family of Lu for staging the eight-row dance in their own ancestral hall, a display reserved for the Zhou king's court, and treats the act as an assertion of rank beyond a minister's place. Ceremonial performance was also a means of judging states. The Zuo Zhuan describes a Wu envoy, Ji Zha, who visited Lu in 544 BCE and assessed the political health of several states from the music performed for him. Such episodes show that ritual was a language through which contemporaries evaluated legitimacy, not merely a set of decorative customs.\n\nLater Confucian writers framed the period as one of ritual collapse, citing the Analects and the decline of royal prerogatives as evidence that ceremonies had passed from the king to the vassals. Modern historians have questioned how complete this collapse was. Hegemons who organized covenants usually did so in the name of the Zhou king, and the slogan of \"holding the Son of Heaven to command the feudal lords\" shows how rulers used the king's authority to advance their own ambitions. The formal forms of ritual were therefore often retained while their meaning shifted, as states reinterpreted the old order to serve new political needs. Scholars continue to debate whether this process represented the abandonment of the Zhou system or its adaptation to a world of competing territorial states."
    },
    {
      "heading": "The hegemons and the covenant system",
      "text": "As the Zhou court lost its capacity to enforce order, a strong lord could step into the role. The hegemon was nominally charged with underwriting the stability of the whole system, often heading a league of smaller states whose security was to some extent guaranteed by the state, in exchange for tribute. The office was therefore less a formal title than a function: a leader who arbitrated disputes, protected weaker polities and claimed to act on behalf of the Zhou house. Hegemonial lords dominated other regional states and protected the weaker ones, as well as the royal house of Zhou, against raids by non-Chinese peoples. Their authority rested on a combination of military force, diplomatic persuasion and the ability to convene the other rulers.\n\nThe mechanism that made this leadership workable was the covenant (meng 盟), a sworn ceremony in which participating lords and ministers bound themselves to shared obligations. The slogan \"revere the king, expel the barbarians\" is associated with Duke Huan of Qi and his adviser Guan Zhong, whose alliances were directed both at disorder within the Central Plains and at outside raiders. Qi's leadership thus combined ritual language about the Zhou king with concrete security arrangements among the states. Covenant practice was not confined to the hegemons, but is attested mainly in the sources for the Jin state and a few related sites.\n\nWho counted as a hegemon was itself disputed. The Tang-era commentator Sima Zhen (Suoyin on Records of the Grand Historian) list names Duke Huan of Qi, Duke Xiang of Song, Duke Wen of Jin, Duke Mu of Qin and King Zhuang of Chu. The Xunzi tradition instead identifies them as Duke Huan of Qi, Duke Wen of Jin, King Zhuang of Chu, King Helü of Wu, and King Goujian of Yue. The disagreement largely concerns the southeastern rulers. Sima Zhen argued that King Helü of Wu and King Goujian of Yue could not be listed among the five hegemons since they were only influential in their own territories, but not the entire Central Plains. The Xunzi list reflects a broader view of which powers exercised decisive influence in the period. Other lists exist as well, so the \"Five Hegemons\" should be understood as a retrospective label rather than an official category.\n\nThe Houma covenant texts from the state of Jin provide the most direct evidence for how such oaths were made. They were jade piece artifacts excavated from Qin Village, Houma City, Shanxi Province, between 1965 and 1966, numbering over 5,000 pieces. Many were found in sacrificial pits: over 400 sacrificial pits were discovered 500 meters northwest of Qin Village, with 326 of them excavated. Of these, a total of 40 pits contained oath documents, concentrated in the northwest corner of this area. The texts are dated to the early fifth century BCE, and one leading interpretation links them to the alliance ceremonies of the Jin minister Zhao Yang with other ministers in the fifteenth to twenty-third years of Duke Ding of Jin (497–489 BCE), though the identification is not beyond dispute.\n\nThe texts also reveal the internal logic of covenant-making. All the texts follow the same basic formula of four clauses: name; stipulations; submission; imprecation. The first stipulation generally asserted loyalty to the lord, and the imprecation called down supernatural punishment on anyone who broke the oath. The sworn obligations thus combined political fidelity with religious sanction, which is why oaths were seen as the mainstay of hegemonic order. The same form, however, was used by ministers among themselves, and this is significant: covenants could bind rivals within a state as well as rulers between states. Such ministerial alliances later became one of the forces behind the partition of Jin, which is discussed in the section on ministerial usurpation."
    },
    {
      "heading": "Interstate warfare and conquest",
      "text": "Armed conflict between states was a constant of the period. The scale ranged from raids on border settlements and ambushes to sieges of walled towns and set-piece engagements in which large armies, built around chariot contingents supported by infantry, met in open country. The major wars were shaped by alliances, and a few long rivalries ran through the whole period.\n\nChengpu and the Jin–Chu rivalry\n\nThe battle of Chengpu, fought in 632 BCE, is usually placed near Chenliu in Henan or in southwestern Juancheng County in Shandong. It was the first major battle in the protracted conflict between the states of the Yellow River valley and the states of the Yangtze River valley. The background lay in Chu's expansion. After the death of Duke Huan of Qi in 643 BC, Chu steadily extended its influence northward, absorbing half a dozen smaller states as its satellites. Chu's commander committed suicide after the battle, and Jin's victory confirmed the hegemony of Duke Wen and checked Chu ambitions in the north for a period. Accounts of the battle describe a feigned retreat in which Jin's forces made the Chu army believe it was retreating, drawing the pursuers into a double envelopment. Jin deceives the Chu army by tying wooden logs to the back of their chariots and stirring up dust to feign a retreat. When the Chu force falls for this ruse and rushes forward in pursuit, the Jin army decisively defeats them.\n\nJin did not stop at the battlefield. Zheng was an ally of Chu, so after the battle Jin planned to invade Zheng for revenge. In 630, Jin attacked Zheng and besieged its capital city. The rivalry resumed in later decades. The battle of Bi in 597 BCE was a major victory for Chu, cementing the position of its ruler King Zhuang as a hegemon among the vassal states. The Jin–Chu contest was at times shaped by political instability in Jin. After the death of Duke Wen, Chu attempted to reassert its position with northern campaigns, but the presence of Zhao Dun as premier of Jin rendered them unwilling to risk direct conflict. King Zhuang made use of the resulting instability among the Jin leadership, and personally led a campaign northward. He targeted the state of Zheng, which was an ally of Jin, and successfully forced Zheng to switch allegiance to Chu. Jin answered with a victory at Yanling in 575 BCE, when the Jin state defeats the Chu state. King Zhuang's later interest in the Nine Tripods of the Zhou, which signalled Chu's ambitions toward the royal inheritance, reflected the ideological stakes of these contests.\n\nWu, Yue and the southeastern wars\n\nThe conflicts of the south-east were shaped by Chu's rivalry with the rising state of Wu. Wu was originally a minor state east of Chu. In order to check Chu's expansion, Jin made an alliance with Wu, trained the Wu army, and taught them to use chariots. Wu gradually grew stronger, and in 584 BC defeated Chu for the first time and annexed the Chu city of Zhoulai. In the following 70 years Chu and Wu fought ten wars, with Wu winning most of them.\n\nThe decisive engagement came at Boju in 506 BCE. It was the decisive battle of the war between Wu and Chu, and it took place in Chu territory, in what is now Macheng, Hubei. The Wu king personally led the army, along with his younger brother Fugai and Wu Zixu. Source figures for the armies diverge sharply, and Chu is usually described as the larger force. Some scholars believe that Sun Tzu or a general like him actually existed because of his apparent involvement in the Battle of Boju. After the battle, the Wu army pursued the remaining Chu troops, won several more battles, and captured Ying, the capital of Chu. King Zhao was forced to flee. The Chu state came close to collapse, and Chu moved its capital from Ying to the state capital of Ruo, where it would be hidden from the Wu vanguard.\n\nWu's position did not last. The Yue state, backed by Chu as a counterweight to Wu, became the main threat. Although Wu won a majority of battles against the Yue and captured their king, Goujian, Wu failed to completely subjugate Yue, in part because of King Fuchai's willingness to let King Goujian live in Wu as his servant. Goujian returned home and planned revenge. The Wu forces counterattacked and decisively defeated Yue at the Battle of Fujiao in 494 BCE, but Yue recovered. The Yue state defeats the Wu state at Lize in 478 BCE, and after besieging Gusu for three years, Yue forces breached the city walls. Fuchai fled to Mount Gusu and begged for mercy, but Goujian refused. The famous Yue King Goujian destroyed and annexed Wu in 473 BC. Sources differ on the chronology of the earlier Yue raids, with one placing a surprise attack on the Wu capital in 482 BCE."
    },
    {
      "heading": "Ministerial usurpation and the decline of ducal houses",
      "text": "Across the Spring and Autumn period, the rulers of many states lost effective control to hereditary ministerial families that held offices, land and armies. The process was gradual and uneven. It usually unfolded inside the ducal house itself, because a ruler who depended on a few great lineages to field troops and collect revenue could rarely afford to remove them.\n\nIn Lu, the ducal house of Ji lost control of its own army. Three branches of the Huan lineage, known as the Jisun, Shusun and Mengsun families, divided the ducal forces among themselves, and each branch took command of a share of troops and of the households that supplied them. Because military service and tax collection were tied to the same households, control of the army also gave these families a claim on revenue that had once gone to the duke. The ruler's position weakened to the point that Duke Zhao was driven into exile by the Jisun family in 517 BCE and died in Jin, where he had fled, in 510 BCE. The duke's authority in Lu was thereafter largely nominal, though the ducal title and ritual role remained in place.\n\nIn Qi, the decline took a different form. The Chen (Tian) lineage built its position through practical measures aimed at the population. Accounts in the Zuo Zhuan describe how the Chen family lent grain using large measures and collected repayments with small ones, which won it popular support at the expense of the ducal house. In 481 BCE Tian Chang assassinated Duke Jian and installed a new ruler under his control, and he went on to eliminate rival great families. His descendants continued to dominate the state, and in 386 BCE the Zhou king formally recognized a Tian ruler as marquis of Qi, a development that anticipates the political order of the Warring States period.\n\nIn Jin, the ruling house was surrounded by a small number of powerful clans, including the Zhi, Zhao, Wei and Han families, which competed through marriage, alliance and open violence. The Zhi clan became the most powerful of these until 453 BCE, when Han, Zhao and Wei combined against it and divided its lands among themselves. The formal partition of Jin in 403 BCE, when the Zhou king recognized Han, Wei and Zhao as independent lords, completed the transfer of authority from the ducal house to these families. The ruler of Jin was left with a fragment of the former state, and the three new houses became the core of a new political order.\n\nThese usurpations raised fundamental questions about legitimacy, loyalty and office. Ministers who seized power generally did not abolish the ritual vocabulary of the state. Instead, they tended to preserve ducal titles, perform sacrifices in the ruler's name and seek recognition from the Zhou king, which shows how strongly the ritual order still shaped political claims. The chronicle tradition encoded these events in carefully chosen wording that signalled moral judgement, and later thinkers drew on them in debates about ethics and the limits of obedience. Mencius, for example, argued that the removal of a tyrannical ruler was not regicide, while later administrators and Legalist writers treated the power of great ministers as a standing danger to the ruler's government. In this way, the decline of the ducal houses became a central theme in Chinese political thought long after the period itself had ended."
    },
    {
      "heading": "Institutional reform and the beginnings of codified law",
      "text": "Several states in the Spring and Autumn period reorganised how they governed territory, raised revenue and stated their rules. The changes were uneven and are known mainly from fragmentary and later-compiled texts, but they point to a shared movement away from rule through hereditary fiefs and customary obligation, toward administration by appointed officials and written standards.\n\nTerritorial administration and the county\n\nThe county (xian) was among the most consequential innovations. In some states, newly acquired or directly held territories were organised as counties run by officials whom the ruler appointed and could dismiss, rather than granted as hereditary fiefs to relatives or allied lineages. This gave rulers a way to extract grain, labour and soldiers without depending on a lineage that might later become independent. Counties appear most clearly in the records of Jin, Chu and Qin, but their spread was gradual, and the sources do not always show whether a given office was hereditary or appointive.\n\nTaxing the land\n\nIn 594 BCE Lu introduced a tax on cultivated fields, a measure recorded in the Zuo Zhuan. Earlier obligations had centred on labour service: peasants worked the lord's fields and performed military and corvée duties. A levy assessed on land output substituted, or was added to, this labour demand with a payment that could be measured, stored and carried to the ruler's treasury. The exact rate and method of assessment are not fully recoverable, and scholars continue to debate whether the measure amounted to a tithe or a different kind of charge. Its significance lies in the principle that output, rather than the labour of dependants, became the basis of the ruler's claim. This is connected to the wider tax history of the period.\n\nWritten law cast in bronze\n\nZheng's decision to publish its penal code marked a turning point. In 536 BCE the chancellor Zichan (Zi Chan) had the code cast on bronze vessels, so that its penalties were fixed and visible. The step drew criticism. The Jin minister Shu Xiang, in a letter recorded in the Zuo Zhuan, argued that once penalties were written down, people would rely on the text rather than defer to their superiors, and that the authority of elites would be weakened. Jin followed in 513 BCE, casting a penal code on a tripod, and a comment attributed to Confucius in the Zuo Zhuan condemned the move as abandoning the old ritual order that had governed the state. The reforms challenged the older practice of keeping law as the preserve of aristocratic custom, and the idea of law as a public, impersonal standard later became central to Legalist thought. The bronze medium also linked the new codes to the ritual culture of ancestral vessels.\n\nQi and the Guanzi\n\nReform in Qi is traditionally linked to Guan Zhong, chancellor to Duke Huan. The Guanzi, a compilation that took shape well after his lifetime, attributes to him state control of key resources, including salt and iron, a military organisation based on local units, and the regulation of markets to stabilise prices. Because the text was assembled over a long period, these attributions reflect later thinking as much as, or more than, the policies of the seventh century BCE. Historians therefore treat the Guanzi as evidence for ideas about state economic management that were current in later centuries, rather than as a reliable record of Qi's actual reforms.\n\nLimits of the evidence\n\nMost knowledge of these reforms depends on the Zuo Zhuan and similar narrative sources, which were written or compiled after the events and present them through moral and political judgements. Inscriptions and archaeological finds rarely confirm specific measures. States also adopted reforms at different times and to different degrees, and a ruler could introduce a written code or county while keeping aristocratic privileges intact. For this reason, the reforms are best understood as a series of experiments whose consequences became clearer in the Warring States period, when states relied more heavily on appointed officials, written law and regular taxation."
    },
    {
      "heading": "Agriculture, iron and land tenure",
      "text": "Bronze remained the principal metal for ritual vessels and weapons throughout the period, but iron entered farming and craft production. Early iron ploughshares were heavier and harder to push than wooden ones, yet they could cut through denser soil and open land that wooden implements had handled poorly. Their appearance is usually placed late in the period, and the spread of metallurgical knowledge among the states meant that smelting and forging skills were not confined to a single court or region. Iron tools were used for clearing, hoeing and ploughing, and they raised the labour output of a household without requiring additional workers.\n\nIron implements were only one part of a broader change. Draught animals, mainly oxen, were increasingly harnessed to pull ploughs, which allowed a single farmer to work more ground than a hand-tool cultivator could manage. Large-scale water control was the second development. Rulers and local lords built canals, dikes and reservoirs, which both protected fields from floods and made dry land productive. The sources record these works, but they do not give a uniform date or scale for their construction, and historians continue to disagree about how widely draught teams and irrigation were used before the late fifth century BCE. Excavated tools and inscriptions help, but they cover only some regions, so generalisations about the whole period need caution.\n\nThe ideal land arrangement of the earlier Zhou period was the well-field system, known as jingtian. In the classical description, a square of land was divided into nine plots. Eight families cultivated private plots around the edges, while the central plot was worked collectively and its produce was delivered to the lord, who passed part of it on as tribute to the king. The system is known mainly from texts written long afterward, particularly the Mencius, and scholars debate whether it was ever applied as neatly as the texts describe. What is clear is that its underlying logic, in which land was tied to aristocratic obligations and kinship, came under strain during the Spring and Autumn period.\n\nThat strain had several causes. As population grew, competition for good land intensified, and the authority that had once bound lords, cultivators and ritual duties together weakened. Aristocratic families increasingly held land as their own property, and families who farmed it began to claim rights over their plots. Private holdings became more common, and the central control that the collective system had supported eroded as a result. Historians differ on how quickly this happened in each state, and the evidence is uneven: some states appear to have granted land to nobles and their retainers in new forms, while others saw peasants gain more direct control over the fields they worked.\n\nThe shifts in land tenure had consequences for taxation and social relations. When land passed into private hands, rulers had to find new ways to assess and collect revenue, and the old arrangement in which produce from a communal field went directly to the lord became harder to enforce. Peasants who held their own land, or who rented it, stood in a different relation to rulers and to aristocratic landholders than their predecessors had. These changes also encouraged social mobility, since land and surplus could be accumulated, lost and transferred more readily. The consequences of these developments fed into the reforms and conflicts of the following centuries."
    },
    {
      "heading": "Commerce, currency and urban life",
      "text": "Exchange in the Spring and Autumn period ran on several overlapping media before coinage was standardized. Cowrie shells had long served as a medium of value, and by this time imitations were being made from porcelain, jade and metal, which kept the shell's ceremonial and monetary role alive in cheaper forms. In the Zhou period, their use became more stylised with replica shells made of porcelain, jade or metal coming into use. Alongside these, the first cast metal currencies appeared. Spade and knife money, shaped after agricultural and craft tools, are the best-attested examples. Archaeological evidence dates them to the early spring and autumn period, approximately 650 BC and onward. Spade money was concentrated in the north and in the Zhou royal domain, while knife money developed in the north alongside it. Their inscriptions were brief, and usually consist of one character, usually either a number, a cyclical character, a place name, or the name of a clan. Regional practice also showed in form: coins from spade-money areas typically had a round hole, while those from knife-money areas had a square one. Round metal coins with a round, and then later square hole in the center were first introduced around 350 BCE.\n\nTrade linked the states of the Central Plains with the south and the frontiers, and the most politically significant commodities were salt and iron. Tradition credits Guan Zhong, chief minister of Qi, with a scheme to make these \"goods of the mountains and seas\" (namely iron and salt) should be state managed. The idea of a state monopoly on salt and iron is traced back to Qi in this period, and the monopoly is said to have originated earliest in the State of Qi during the Spring and Autumn period. Salt production was organized in part as a joint venture between the government and coastal populations, with the state buying marine salt and holding the right to resell it. The Guanzi, a text associated with Qi reform, is the main source for these measures, and its attribution is debated. As trade grew, merchants became economically more influential, and some courts came to depend on their goods and loans. Long-distance exchange networks also extended beyond the core states toward the northern steppe and farther west.\n\nUrban life changed as well. Early cities had been small and organized around the palaces of kings and princes, but many grew into centres of commerce as well as administration. Capitals such as Linzi, the Qi capital, Qufu of Lu, Xinzheng of Zheng and Shangqiu of Song developed markets, workshops and walled districts. Walls were a visible sign of interstate competition, since enormous walls were built around cities and along the broad stretches of the northern frontier. Linzi is best known from later sources, which describe a far larger population during the Warring States period, so its size in the Spring and Autumn period is less certain.\n\nEconomic growth was uneven and carried social costs. Trade, changes in farming and the displacement of populations by war weakened the older system in which each family's place in society was fixed. Social turmoil was everywhere: the sudden increase in trade, changes in farming methods and the dislocation of large segments of the population disrupted by war destroyed the Chinese version of feudalism. Rulers faced recurrent tension over taxes, debt and the distribution of new wealth, and these disputes contributed to unrest in some states. Commercial success also widened the gap between enriched families and those who depended on the land, which intensified the broader shifts in social stratification discussed elsewhere in this article."
    },
    {
      "heading": "Military technology and the transition in warfare",
      "text": "Early Spring and Autumn campaigns were built around the chariot. A standard vehicle carried three men: an archer on the left, a spear-and-halberd fighter on the right, and a driver in the centre. Because managing a two-wheeled vehicle over rough ground, while shooting or fighting from it, required years of drill, the number of men qualified to command in this manner was small. Military leadership therefore stayed closely tied to aristocratic upbringing, and the skills of the charioteer were part of the same ritualised education that shaped the noble elite.\n\nEach chariot was accompanied by infantry, but the number was not fixed. In the Western Zhou the common allocation was ten foot soldiers per vehicle, and ten footmen remained the usual size in the early Spring and Autumn period, though some states used larger ratios. The chariot's limits became apparent in practice. Against the Rong and Di peoples, who lived in mountainous terrain, chariots were often neutralised and the value of infantry began to be recognised. At the battle of Yanling in 575 BCE, the disorganised chariots and infantry of Chu were defeated by Jin, a case in which the failure of coordination between the two arms decided the result. Over the period, states drew on larger populations, so the proportion of chariots to total troops fell while the number of foot soldiers rose. Armies grew from the retinues of individual lords to forces that could reach several tens of thousands, though the sources give only approximate figures for their size.\n\nTactics changed alongside organisation. Archery moved from targeted shooting towards massed volleys, and the infantry formations that could hold against a chariot charge became more important. Sieges, walled defence and operations on rivers and along the coast gained weight, particularly in the protracted contests between Wu, Yue and Chu, where waterways and fortified cities shaped the campaigns. By the end of the period, cavalry had begun to appear on the battlefield, and the chariot was gradually turning into a command platform, a development that carried into the Warring States period, when iron weapons, crossbows and standing armies further reduced the military role of the aristocratic charioteer.\n\nThe military treatise traditionally attributed to Sunzi, known in Chinese as the Art of War, is often read as a record of these changes, with its emphasis on planning, deception, terrain and the management of large forces. Traditional accounts place its author in the late sixth or early fifth century BCE, and Sima Qian presents Sunzi as a minister to King Helü of Wu. Many scholars, however, argue that the language and military concepts of the text point to a later period, perhaps the Warring States, and that it was compiled over time by several hands. The discovery of bamboo slip copies in an early Han tomb at Yinqueshan in 1972 confirmed that a version of the text existed by the early Han, but it did not settle either the date of composition or the question of authorship."
    },
    {
      "heading": "Social stratification and the rise of the shi class",
      "text": "Early Zhou society was organized around hereditary rank, and the ruling houses of the Spring and Autumn period multiplied cadet branches faster than they could support them. Each generation of junior lines had to find a place in a shrinking hierarchy. Many families that held ancestral offices in the narrative sources disappear from the record after a few generations, while others survived by entering the service of a stronger ruler or minister. The old ladder of ruler, grand officials (dafu 大夫), shi (士) and commoners therefore became less rigid, although it remained the language in which status was described.\n\nThe shi class shows this change most clearly. Originally the lowest tier of the nobility, shi held small hereditary posts and served as junior officers in the chariot forces. By the late sixth and fifth centuries BCE, the term increasingly denoted educated men who had mastered ritual protocol, music, archery, charioteering and the handling of documents. Such men could be hired by rulers or ministers, and their value lay in skill and knowledge as much as in birth. Some served as envoys who conducted diplomacy according to covenant and court etiquette, some as ritual specialists, and others as clerks and counsellors. Confucius (551–479 BCE) is the best-known product of this milieu. He came from a family of declining Song nobility settled in Lu, described his own youth as humble, and spent his life seeking office while teaching disciples. In doing so he turned the learning of the shi into a body of doctrine recorded in the Analects.\n\nAdvisers of varied origins illustrate how far this mobility could reach. Guan Zhong (管仲) of Qi had backed the losing side in a succession struggle and was captured after its defeat. He was then recommended to Duke Huan of Qi by Bao Shuya (鮑叔牙), a former companion, and rose to become the duke's chief minister, a career that later writers treated as the model of ministerial success. Wu Zixu (伍子胥) was a Chu aristocrat whose father and elder brother were killed by King Ping of Chu. He fled to Wu, where he helped direct the campaign that took the Chu capital Ying in 506 BCE, and he later died after falling out with the Wu ruler. Bai Li Xi (百里奚), who had served in the small state of Yu before its fall, became chief minister of Qin under Duke Mu. Later tradition embroidered his early life with a story about his ransom, but the details are uncertain. What these careers share is movement across state borders, which was possible because the states used a common ritual vocabulary and competed for capable servants.\n\nDistinctions within the population persisted, but their content changed. The guo ren (國人, residents of the walled capital and its immediate district) and the ye ren (野人, people of the outlying countryside) had traditionally carried different obligations and different claims to political voice. In some states, guo ren could gather to express opinions or to remove a ruler, as the sources for Wei show, but their political weight varied widely from state to state and declined as ducal power was taken over by ministerial families. Below the commoners, the sources record people in various forms of dependence, including household servants, prisoners of war, convicts and debtors. Enslavement of captives and punishment of families reduced some people to servile status, but the proportions of free and unfree people cannot be established from the surviving texts.\n\nThese boundaries shifted as states began to draw military and administrative manpower from wider groups. Raising larger infantry forces from commoner populations gave ye ren and other non-noble people a new role in the state, while the employment of shi as officials and advisers created a route into office that did not depend on lineage alone. The result was not a sudden levelling of society. Hereditary privilege remained real, but its hold on office and on the distribution of status was weaker at the end of the period than at its beginning."
    },
    {
      "heading": "Intellectual origins and early philosophical traditions",
      "text": "Many of the ideas later grouped under the Hundred Schools of Thought took shape in the late Spring and Autumn period, but the collective label is a later construction. The term baijia first appears in the Xunzi, where it describes how regional rulers pursued different policies and how each of the schools offered its own mode of persuasion. The debates of the period centred on ritual propriety, the form of good government, the nature of Heaven and the proper conduct of rulers. The rivalry of ideas was tied to the wandering careers of advisers who sought service at different courts.\n\nConfucius (551–479 BCE) built his teaching around ritual observance, benevolence (ren) and the figure of the junzi, or exemplary man. His sayings and those of his disciples were later gathered into the Analects, which became the foundation of the Ru tradition. Confucius was a teacher who worked on the problem of how a ruler could restore order without the old institutions that had once sustained it. His answer was moral cultivation and the correct performance of ritual, not new law.\n\nThe origins of Daoism are more uncertain than the tradition suggests. Traditional accounts present Laozi as an older contemporary of Confucius and the founder of the school. Most scholars date the Daodejing to the late Warring States period rather than to a single sixth-century author. Modern scholarship generally treats \"Laozi\" as an honorific attached to a composite text, compiled from diverse sayings in the fourth and third centuries BCE. Bamboo manuscripts from Guodian, copied around the late fourth century BCE, show that a version of the text was already in circulation by then, although its layers may reach back further. The earliest clear quotations from the work appear in the Zhuangzi, itself a product of the Warring States period. The Dao De Jing develops the Dao as the source of all things and recommends wu wei, or non-coercive action, as the highest mode of conduct for rulers.\n\nOther schools developed alongside these traditions. Mohism, associated with Mozi, argued for impartial care (jian'ai) that extends beyond one's own family and state, and it judged policy by its practical benefit to the people. Cosmological thinking moved in a parallel direction: during the Warring States period, Zou Yan created the theory of the Five Agents, which offered a systematic account of cyclical change in nature and in dynastic fortune. These early schools shared a concern with how power should be justified and exercised, but they answered that question in very different ways.\n\nThe political upheavals of the period prompted reflection on legitimacy, the meaning of Heaven's mandate and the most reliable means of restoring order. These questions, and the competing answers given to them, became central to later Chinese political philosophy. The image of the era as a golden age of intellectual contention is largely a retrospective judgement; the thinkers themselves were mostly engaged in arguing over concrete problems of rule, military success and social order."
    },
    {
      "heading": "Textual sources and historiography",
      "text": "Almost everything known about the period's politics comes from texts compiled after the fact, and the Spring and Autumn Annals sits at the base of that record. The Annals is the official chronicle of the State of Lu, and covers a 242-year period from 722 to 481 BCE. It records main events that occurred in Lu each year, such as accessions, marriages, deaths and funerals of rulers, battles, sacrificial rituals, celestial phenomena and natural disasters. Its entries are extremely compressed. They average only about 10 characters per entry and contain no elaboration on events or recording of speeches. Because the text was traditionally credited to Confucius, it entered the canon as one of the Five Classics, and its laconic wording came to be read as carrying praise and blame in word choice. Historians therefore treat the Annals as a skeletal chronology rather than a narrative, and most of the period's detail depends on the commentaries built around it.\n\nThe most important of these is the Zuo Zhuan. It expands the history behind the Annals' entries and gives extended accounts of politics, warfare and diplomacy across many states. Its authorship is unresolved. Tradition names Zuo Qiuming, but there is little evidence to support this. Most scholars believe the Zuo Zhuan was originally an independent work, composed during the 4th century BC, that was later rearranged as a commentary to the Annals. Dating evidence comes partly from manuscripts: bamboo and silk manuscripts excavated from late Warring States period tombs, combined with analyses of language, diction, chronological references and philosophical viewpoints, suggest that its composition was largely complete by 300 BC. Sima Qian's account, by contrast, presents Zuo as a Lu official who compiled his work to prevent students from fixing divergent readings of Confucius' text. The Zuo Zhuan's narrative techniques and its large stock of idioms later shaped Chinese prose for many centuries.\n\nThe Gongyang and Guliang commentaries take a very different approach. Both are written in a question-and-answer format that works through the Annals line by line, looking for hidden judgements rather than背景 facts. They focus on elucidating the text's \"subtle words and profound meanings\" and advocate political concepts such as \"great unity\" and reverence for the king. The Gongyang and Guliang commentaries were compiled during the 2nd century BC, although modern scholars suggest they probably incorporate earlier written and oral traditions of explanation from the Warring States period. Their doctrinal reading later became central to the New Text school of Han Confucianism, while the Zuo tradition was favoured in the Old Text camp, a rivalry that shaped the reception of all three texts.\n\nThe Guoyu offers a complementary source. It is a collection of speeches attributed to rulers and other men from the Spring and Autumn period, and it comprises a total of 240 speeches. Its material covers the Zhou court and several feudal states, which makes it useful for comparing political rhetoric across regions. Its relationship to the Zuo tradition is close, and in the Han period it was regarded as a kind of preface to the Zuo Zhuan. Other evidence includes the Book of Songs and the Book of Documents, which the Classics tradition preserves. The Book of Documents contains texts alleged to have been written by rulers and officials of the early Zhou period and before, so its claims about earlier periods must be weighed carefully against later editing.\n\nTransmission is a further issue. The commentaries of the Gongyang and Guliang lines were passed down orally for a long time before being written down; one account holds that the Gongyang text was committed to bamboo slips and silk during the Han. Historians therefore separate the earliest layers of each text from later additions and cross-check the claims against excavated manuscripts, the bamboo and wooden slips recovered from tombs, and inscriptions on bronze. The methods of archaeology have repeatedly tested dates and events drawn from the received texts, and where they disagree with the commentaries, historians often prefer the archaeological evidence. This combination of chronicle, narrative and doctrinal commentary is why the period is usually reconstructed through close source criticism rather than read directly from any single work."
    },
    {
      "heading": "Bronze inscriptions, ritual objects and archaeology",
      "text": "（见上方正文）"
    },
    {
      "heading": "Historiographical debates and modern interpretations",
      "text": "Much of the traditional understanding of the period came from the texts that recorded it rather than from the events alone. Han and later Confucian scholars read the Annals as a document of moral judgement. The Gongyang commentary, for instance, treats the chronicle as a vehicle for Confucius's ideas on political order and holds that he wrote it to criticise the rulers of his own time and to offer a guideline for later generations The primary assumption of Gongyang Zhuan is that Confucius authored the Spring and Autumn Annals in order to criticize the politics of his time and set a constitutional guideline for future generations. Under this reading, a single word in an entry could signal approval or censure, and the hegemons and the decline of ritual were judged by standards of virtue and legitimacy.\n\nThe classic formulation of this \"praise and blame\" reading is usually credited to the Jin-period scholar Du Yu (222–284 CE), who was among the first to argue that the Annals' wording evaluated political actors The Jin-period 晉 (265-420) scholar Du Yu 杜預 (222-284) was the first to believe that the Spring and Autumn Annals included not only neutral statements, but that the wording of the entries included \"praise and blame\" (bao bian 褒貶) for political actors. His most lasting intervention was structural. In the third century CE he set each entry of the Annals beside the corresponding passages of the Zuo Zhuan In the 3rd-century AD, the Chinese scholar Du Yu interpolated the Zuo Zhuan with the Annals so that each entry of the Annals was followed by the corresponding passages of the Zuo Zhuan. His edition later underpinned the imperially authorised commentary of 653 CE Du Yu's version of the text was the basis for the \"Right Meaning of the Annals\" (春秋正義 Chūnqiū zhèngyì) which became the imperially authorised text and commentary on the Annals in 653 AD. Because the two works were read together for centuries, the expansive narrative of the Zuo Zhuan shaped how the terse entries were understood.\n\nModern critics have questioned both the moral reading and its alternatives. One line of argument holds that the praise-and-blame interpretation did not reflect the Annals' original aim and instead imposed later Chinese historiographical priorities on the records the traditional \"praise and blame\" interpretation did not reflect the original aim of the Spring and Autumn and instead imposed later Chinese historiographical priorities onto its records. A second approach, which treats the text as a complete and factual record, is also vulnerable to anachronism. James Legge's translation, for example, assumed that a history should be a faithful record of facts James Legge certainly based his evaluation on such expectations, and a critic has described this kind of modern yardstick as \"violent anachronism\" Attempts to evaluate the Spring and Autumn by the standards of modern historiography can only produce, to borrow the words of Johan Huizinga, \"violent anachronism. A few scholars have instead tentatively linked the Annals' formulaic style to ritual performance, which would make its brevity a feature of ceremonial recording rather than a coded moral device a few scholars have suggested in passing a link between the Spring and Autumn and ritual performance, largely on the basis of the formulaic nature of the records.\n\nQuestions about how the texts were composed also remain open. The Annals is traditionally linked to Confucius, but most modern scholars regard his authorship as uncertain To most modern scholars, Confucius's authorship of the Spring and Autumn Annals, as with his editorship of the other classics, remains open to debate. The Zuo Zhuan is often placed in the early fourth century BCE The Zuo Zhuan, composed in the early 4th century BC, is a general history covering the period from 722 to 468 BC which follows the succession of the rulers of the state of Lu., yet another account dates its compilation to the middle Warring States period It was said that Zuo Zhuan was written by Zuo Qiuming in the Lu State at the end of the Spring and Autumn Period, but the actual compiling time was the mid Warring States Period (475-221BC).. The commentary was also assembled from materials of varied origin, having been compiled to sift through various oral traditions surrounding the incidents recorded in the work. Its expansion of the spare entries into developed episodes is one reason historians handle its evidence with caution, since its dramatic characterisation may reflect later literary purposes as much as documentary memory. The Gongyang and Guliang commentaries add a further layer: they were compiled in the second century BCE, possibly drawing on earlier Warring States explanatory traditions, and they take the form of question-and-answer exchanges The Gongyang and Guliang commentaries were compiled during the 2nd-century BC, although modern scholars had suggested they probably incorporate earlier written and oral traditions of explanation from the period of Warring States. They are based upon different editions of the Spring and Autumn Annals, and are phrased as questions and answers.\n\nModern general histories have moved away from treating the period as a simple story of decline. Historians now stress the inventiveness of political, economic and cultural change, and they also note the persistence of ritual forms across the period. Debate continues over how far the Zhou feudal order was a coherent system to begin with, how far the states were centralised internally, and whether the Spring and Autumn period should be understood as a distinct political order or as a transitional stage."
    },
    {
      "heading": "Transition to the Warring States period",
      "text": "No single year divides the two periods, and the boundary is a scholarly convention rather than a line drawn by contemporaries. The period ended in 476 BCE (the first year of King Yuan of Zhou), lasting 295 years in total. That date remains the most common working cut-off, but it is one of several proposals.\n\nThe alternatives are tied to the fate of Jin, which had been among the strongest states of the age. By the late sixth century its ruling house had lost much of its power to a handful of great families. By the beginning of the Warring States period, after numerous power struggles, there were four families left: the Zhi family, the Wei family, the Zhao family, and the Han family, with the Zhi family being the dominant power in Jin. When the Zhi leader attempted to destroy the Zhao, the other two families turned against him. The three families launched a surprise attack at Jinyang, which was besieged by Zhi Yao at the time, and annihilated the Zhi. Dating the period to this event gives 453 BCE. After the fall of the Zhi clan, no vassals in Jin could once again match the power of the Zhao, Han, and Wei clans.\n\nThe later date of 403 BCE rests on the Zhou court's acknowledgement of the new states. In 403 B.C.E., the three major families of Jin, with the approval of the Zhou king, partitioned Jin into three states... The new states were Han, Zhao, and Wei. Some historians, beginning with Sima Guang, treat this recognition as the start of the Warring States period. Some historians, beginning with Sima Guang, take this recognition to mark the beginning of the Warring States period.\n\nOpinions also differ on the start of the following era. The popular view amongst scholars is that the Warring States period began in 475 BC, (the end of the Spring and Autumn period.) Other sources, however, list 453 BC (the partition of Jin) or even 481 BC (when the Lu chronicles end. The chronology is therefore fluid, and there is no clear chronological boundary between it and the Spring and Autumn Period in history.\n\nPolitical change was also gradual. The process of consolidation began well before the Warring States period. The process began in the Spring and Autumn period, and by the third century B.C.E., seven major states had risen to prominence. The usurpation in Qi is a good example. The Tian lineage displaced the Jiang rulers in a series of events between 481 and 379 BCE through which the Tian clan cemented its position as the leading family in Qi. Its final stages, in 391–379 BCE, are often read as part of the same transition that the partition of Jin marks.\n\nInstitutional change follows a similar pattern. Penal codes that were once kept as aristocratic custom were made public earlier in the period. In 536 the counsellor of the regional state of Zheng, Zichan (d. 522), had a large bronze tripod cast inscribed with the penal law code. In 513 the state of Jin followed suit, and the code promulgated by the regent Fan Xuanzi was cast into iron. Some accounts push Zheng's first clear code back further, to 543 BCE. It was the most powerful of the vassal states at the beginning of the Eastern Zhou (771–701 BCE), and was the first state to clearly establish a code of law in its late period of 543 BCE. The practices that were to grow in the Warring States period, including codified law, tax systems and the mobility of advisers, therefore had their roots in the earlier era."
    }
  ],
  "links": [
    "confucius",
    "kinship",
    "state",
    "ethics",
    "government",
    "taxation",
    "ritual",
    "bronze-age",
    "irrigation",
    "sima-qian",
    "narrative",
    "analects",
    "taoism",
    "daodejing",
    "archaeology"
  ],
  "sources": [
    {
      "title": "Western Zhou Dynasty_Baiduwiki",
      "url": "https://baike.baidu.com/en/item/Western%20Zhou%20Dynasty/13504"
    },
    {
      "title": "King You of Zhou",
      "url": "https://en.wikipedia.org/wiki/King_You_of_Zhou"
    },
    {
      "title": "Battle of Mount Li",
      "url": "https://en.wikipedia.org/wiki/Battle_of_Mount_Li"
    },
    {
      "title": "The Zhou Dynasty（Chinese historical dynasty）_Baiduwiki",
      "url": "https://baike.baidu.com/en/item/The%20Zhou%20Dynasty/987628"
    },
    {
      "title": "King Ping of Zhou Moves His Capital Eastward - ecph-china",
      "url": "https://www.berkshirepublishing.com/ecph-china/2018/01/08/king-ping-of-zhou-moves-his-capital-eastward/"
    },
    {
      "title": "Fenghao",
      "url": "https://en.wikipedia.org/wiki/Fenghao"
    },
    {
      "title": "Eastern Zhou Dynasty_Baiduwiki",
      "url": "https://baike.baidu.com/en/item/Eastern%20Zhou%20Dynasty/13499"
    },
    {
      "title": "King Xie of Zhou",
      "url": "https://en.wikipedia.org/wiki/King_Xie_of_Zhou"
    },
    {
      "title": "Eastern Zhou",
      "url": "https://en.wikipedia.org/wiki/Eastern_Zhou"
    },
    {
      "title": "Eastern Zhou Dynasty (770 BC-221 BC) in China History",
      "url": "https://www.agatetravel.com/eastern-zhou-dynasty.html"
    },
    {
      "title": "Western Zhou",
      "url": "https://en.wikipedia.org/wiki/Western_Zhou"
    },
    {
      "title": "SPRING AND AUTUMN PERIOD (771-453 B.C.) AND THE STATES OF QIN, QI, WU, CHU AND JIN",
      "url": "https://factsanddetails.com/china/cat2/sub2/entry-5407.html"
    },
    {
      "title": "Spring and Autumn Period_Baiduwiki",
      "url": "https://baike.baidu.com/en/item/Spring%20and%20Autumn%20Period/892476"
    },
    {
      "title": "Seven Warring States",
      "url": "https://en.wikipedia.org/wiki/Seven_Warring_States"
    },
    {
      "title": "Spring and Autumn Period - New World Encyclopedia",
      "url": "https://www.newworldencyclopedia.org/entry/Spring_and_Autumn_Period"
    },
    {
      "title": "Chu (state)",
      "url": "https://en.wikipedia.org/wiki/Chu_(state)"
    },
    {
      "title": "Jin (Chinese state)",
      "url": "https://en.wikipedia.org/wiki/Jin_(Chinese_state)"
    },
    {
      "title": "Rites still valued in chaotic Spring and Autumn Period- CHINESE SOCIAL SCIENCES NET",
      "url": "http://english.cssn.cn/skw_research/history/202304/t20230425_5651492.shtml"
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    {
      "title": "Government, Administration, and Law of the Zhou Period (www.chinaknowledge.de)",
      "url": "http://www.chinaknowledge.de/History/Zhou/zhou-admin.html"
    },
    {
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      "url": "https://en.wikipedia.org/wiki/Interstate_relations_during_the_Spring_and_Autumn_period"
    },
    {
      "title": "The Spring and Autumn Period (770–476 BCE) and the Warring States Period (476–221 BCE) - The Human Journey",
      "url": "https://humanjourney.us/ideas/axial-age-thought/the-spring-and-autumn-period-770-476-bce/"
    },
    {
      "title": "Five Hegemons",
      "url": "https://en.wikipedia.org/wiki/Five_Hegemons"
    },
    {
      "title": "wu ba 五霸, the Five Hegemonial Lords",
      "url": "http://www.chinaknowledge.de/History/Terms/ba.html"
    },
    {
      "title": "Five Hegemonies of the Spring and Autumn Period_Baiduwiki",
      "url": "https://baike.baidu.com/en/item/Five%20Hegemonies%20of%20the%20Spring%20and%20Autumn%20Period/985582"
    },
    {
      "title": "Hegemons of the Spring and Autumn Period",
      "url": "https://chiculture.org.hk/en/china-five-thousand-years/4069"
    },
    {
      "title": "Houma Covenant Texts_Baiduwiki",
      "url": "https://baike.baidu.com/en/item/Houma%20Covenant%20Texts/36345"
    },
    {
      "title": "Houma Jin State Site（A National Key Cultural Relics ...",
      "url": "https://baike.baidu.com/en/item/Houma%20Jin%20State%20Site/890476"
    },
    {
      "title": "AS/EA LIX•1•2005, S. 61–114 A METHODOLOGICAL PROCEDURE FOR THE",
      "url": "https://kuscholarworks.ku.edu/server/api/core/bitstreams/97aaf417-3662-44e3-9092-f3774438e8d5/content"
    },
    {
      "title": "Houma mengshu 侯馬盟書 (www.chinaknowledge.de)",
      "url": "http://www.chinaknowledge.de/Literature/Historiography/houmamengshu.html"
    },
    {
      "title": "Battle of Chengpu",
      "url": "https://en.wikipedia.org/wiki/Battle_of_Chengpu"
    },
    {
      "title": "Cheng Dechen",
      "url": "https://en.wikipedia.org/wiki/Cheng_Dechen"
    },
    {
      "title": "Trapped by Thucydides? Updating the Strategic Canon for a Sinocentric Era",
      "url": "https://warontherocks.com/2020/12/trapped-by-thucydides-updating-the-strategic-canon-for-a-sinocentric-era/"
    },
    {
      "title": "Battle of Xiao",
      "url": "https://en.wikipedia.org/wiki/Battle_of_Xiao"
    },
    {
      "title": "Battle of Bi",
      "url": "https://en.wikipedia.org/wiki/Battle_of_Bi"
    },
    {
      "title": "List of wars and battles involving China",
      "url": "https://en.wikipedia.org/wiki/List_of_wars_and_battles_involving_China"
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    {
      "title": "Battle of Boju",
      "url": "https://en.wikipedia.org/wiki/Battle_of_Boju"
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    {
      "title": "Sun Tzu",
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    {
      "title": "King Zhao of Chu",
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      "title": "Ruo (state)",
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    {
      "title": "Wu (state)",
      "url": "https://en.wikipedia.org/wiki/Wu_(state)"
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    {
      "title": "Goujian",
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    {
      "title": "Yue (state)",
      "url": "https://en.wikipedia.org/wiki/Yue_(state)"
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    {
      "title": "Goujian",
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    {
      "title": "Fuchai of Wu",
      "url": "https://en.wikipedia.org/wiki/Fuchai_of_Wu"
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    {
      "title": "Zhou Period Agriculture (www.chinaknowledge.de)",
      "url": "http://www.chinaknowledge.de/History/Zhou/zhou-econ-agriculture.html"
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    {
      "title": "jingtian zhi 井田制, the well-field system",
      "url": "http://www.chinaknowledge.de/History/Terms/jingtian.html"
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    {
      "title": "Well-field system",
      "url": "https://en.wikipedia.org/wiki/Well-field_system"
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    {
      "title": "Fengjian - Encyc",
      "url": "https://encyc.org/wiki/Fengjian"
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      "title": "AGRICULTURE IN ANCIENT CHINA",
      "url": "https://factsanddetails.com/china/cat2/4sub7/entry-5413.html"
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      "title": "Spring and Autumn Period 771 - 476 BCE of the Eastern Zhou dynasty",
      "url": "https://www.chinasage.info/spring-and-autumn.htm"
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      "url": "https://scholarworks.iu.edu/dspace/bitstreams/1e7cf143-25da-47ac-b10c-8a470698d415/download"
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    {
      "title": "How Was Land Held in Ancient China? - Pepchina",
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    {
      "title": "Agriculture in China",
      "url": "https://en.wikipedia.org/wiki/Agriculture_in_China"
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    {
      "title": "Plowing a Place in History",
      "url": "https://www.stdaily.com/web/English/2023-09/04/content_1934512.html"
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    {
      "title": "Zhou dynasty coinage",
      "url": "https://en.wikipedia.org/wiki/Zhou_dynasty_coinage"
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    {
      "title": "Spade money",
      "url": "https://en.wikipedia.org/wiki/Spade_money"
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    {
      "title": "Ancient Chinese coinage",
      "url": "https://en.wikipedia.org/wiki/Ancient_Chinese_coinage"
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    {
      "title": "Guan Zhong",
      "url": "https://en.wikipedia.org/wiki/Guan_Zhong"
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    {
      "title": "Salt and Iron Monopoly_Baiduwiki",
      "url": "https://baike.baidu.com/en/item/Salt%20and%20Iron%20Monopoly/1515351"
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    {
      "title": "Ancient Chinese coinage facts for kids",
      "url": "https://kids.kiddle.co/Ancient_Chinese_coinage"
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    {
      "title": "yanke 鹽課, the salt tax",
      "url": "http://www.chinaknowledge.de/History/Terms/yanke.html"
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    {
      "title": "Warring States period",
      "url": "https://en.wikipedia.org/wiki/Warring_States_period"
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    {
      "title": "Zhou Period Military (www.chinaknowledge.de)",
      "url": "http://www.chinaknowledge.de/History/Zhou/zhou-military.html"
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      "title": "Chariots in ancient China",
      "url": "https://en.wikipedia.org/wiki/Chariots_in_ancient_China"
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    {
      "title": "Indiana University, History G380",
      "url": "https://scholarworks.iu.edu/dspace/bitstreams/51bdb8a8-620f-42ef-8a96-82fc3066efe3/download"
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    {
      "title": "Chariot (China)",
      "url": "https://military-history.fandom.com/wiki/Chariot_(China)"
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    {
      "title": "Military history of China before 1912",
      "url": "https://en.wikipedia.org/wiki/Military_history_of_China_before_1912"
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    {
      "title": "A Comprehensive Analysis of the Correlation Between Military Reform and Social Structure from the Early Zhou Dynasty to the End of the Spring and Autumn and Warring States Periods｜ChronoCulture",
      "url": "https://note.com/chronoculture/n/nd2a2f261781d?hl=en"
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    {
      "title": "The Art of War - World History Encyclopedia",
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    {
      "title": "Sun Tzu",
      "url": "https://en.wikipedia.org/wiki/Sun_Tzu"
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      "title": "Sun Tzu's Art of War, 2,500 Years Later",
      "url": "https://historydecoded.co.uk/articles/art-of-war.html"
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    {
      "title": "Understanding Sun Tzu: Myths and Realities of His Life",
      "url": "https://strategyinbrief.us/2025/02/13/understanding-sun-tzu-myths-and-realities-of-his-life/"
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    {
      "title": "zhuzi baijia 諸子百家, the Hundred Schools of Thought",
      "url": "http://www.chinaknowledge.de/Literature/Terms/baijia.html"
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    {
      "title": "Laozi (Lao Tzu)",
      "url": "https://philopedia.org/philosophers/laozi/"
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    {
      "title": "Dao De Jing",
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    {
      "title": "Spring and Autumn Annals",
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      "title": "Zuo Zhuan",
      "url": "https://en.wikipedia.org/wiki/Zuo_Zhuan"
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    {
      "title": "Gongyang Zhuan_Baiduwiki",
      "url": "https://baike.baidu.com/en/item/Gongyang%20Zhuan/20454"
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    {
      "title": "Guoyu (book)",
      "url": "https://en.wikipedia.org/wiki/Guoyu_(book)"
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    {
      "title": "Exploring Chinese History :: Culture :: Literature :: Chinese Classic Texts",
      "url": "https://www.ibiblio.org/chinesehistory/contents/02cul/c02s04.html"
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    {
      "title": "Gongyang Zhuan",
      "url": "https://en.wikipedia.org/wiki/Gongyang_Zhuan"
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    {
      "title": "Gongyangzhuan 公羊傳 - Chinese Text Project",
      "url": "https://ctext.org/wiki.pl?if=en&res=488272"
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      "title": "Guliang Zhuan",
      "url": "https://en.wikipedia.org/wiki/Guliang_Zhuan"
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    {
      "title": "Zuo Qiuming",
      "url": "https://en.wikipedia.org/wiki/Zuo_Qiuming"
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    {
      "title": "Spring and Autumn period",
      "url": "https://en.wikipedia.org/wiki/Spring_and_Autumn_period"
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    {
      "title": "Chunqiu 春秋 and Zuozhuan 左傳 (www.chinaknowledge.de)",
      "url": "http://www.chinaknowledge.de/Literature/Classics/chunqiuzuozhuan.html"
    },
    {
      "title": "Spring and Autumn Historiography: Form and Hierarchy in Ancient Chinese Annals 9780231556514 - DOKUMEN.PUB",
      "url": "https://dokumen.pub/spring-and-autumn-historiography-form-and-hierarchy-in-ancient-chinese-annals-9780231556514.html"
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    {
      "title": "Spring and Autumn Annals",
      "url": "https://www.ebsco.com/research-starters/history/spring-and-autumn-annals"
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    {
      "title": "Zuo's Commentary on Spring and Autumn Annals",
      "url": "http://en.chinaculture.org/library/2008-02/08/content_22619.htm"
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    {
      "title": "Warring States Period - New World Encyclopedia",
      "url": "https://www.newworldencyclopedia.org/entry/Warring_States_Period"
    },
    {
      "title": "Zhi Yao",
      "url": "https://en.wikipedia.org/wiki/Zhi_Yao"
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    {
      "title": "Zhao (state)",
      "url": "https://en.wikipedia.org/wiki/Zhao_(state)"
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    {
      "title": "Warring States period - Wikiwand",
      "url": "https://www.wikiwand.com/en/Warring_States_period"
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    {
      "title": "Warring States Period_Baiduwiki",
      "url": "https://baike.baidu.com/en/item/Warring%20States%20Period/662139"
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    {
      "title": "Usurpation of Qi by Tian",
      "url": "https://en.wikipedia.org/wiki/Usurpation_of_Qi_by_Tian"
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    {
      "title": "wuxing 五刑 (www.chinaknowledge.de)",
      "url": "http://www.chinaknowledge.de/History/Terms/wuxing-penal.html"
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    {
      "title": "Zheng (state)",
      "url": "https://en.wikipedia.org/wiki/Zheng_(state)"
    },
    {
      "title": "Spring and Autumn Period Timeline",
      "url": "https://www.preceden.com/timeline/spring-and-autumn-period"
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    {
      "title": "the Spring and Autumn and Warring States period_Baiduwiki",
      "url": "https://baike.baidu.com/en/item/the%20Spring%20and%20Autumn%20and%20Warring%20States%20period/940132"
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  "license": "https://creativecommons.org/licenses/by/4.0/"
}