战国时期

The Warring States period (战国时代 zhànguó shídài, 475–221 BCE) opens with a constitutional rupture. The powerful state of Jin had dominated the Spring and Autumn inter-state system for much of the preceding three centuries. In 453 BCE its three principal aristocratic families destroyed the ruling house and divided Jin among themselves. The Zhou king formally recognized the three successor states — 韩 Hán, 魏 Wèi, 赵 Zhào — as independent lords in 403 BCE. This act acknowledged what everyone already knew: the old aristocratic order that had governed since Western Zhou was gone. What replaced it was the 战国七雄 zhànguó qī xióng, the Seven Warring States: Qin (秦), Chu (楚), Yan (燕), Zhao (赵), Wei (魏), Han (韩), and Qi (齐).

The period is named after the Zhanguo Ce 战国策 (Stratagems of the Warring States), a Han dynasty compilation of political speeches and diplomatic maneuvers attributed to the great advisors of the period. The name stuck to the era just as Chūnqiū stuck to the preceding one.

The transformation of warfare was total. Spring and Autumn chariot armies gave way to mass infantry forces measured in hundreds of thousands. The decisive Battle of Changping (长平之战, 260 BCE) between Qin and Zhao involved armies estimated at over a million combined, with Qin forces reportedly burying alive or massacring some 400,000 Zhao soldiers after their surrender. Whether the number is exact or not, the scale had no precedent. Military theorists proliferated alongside the armies: the 孙子兵法 Sūnzǐ Bīngfǎ (Art of War), attributed to 孙武 Sūn Wǔ, dates from the late Spring and Autumn / early Warring States transition and became the most influential military text in Chinese history.

States restructured themselves root and branch to survive. Universal male conscription replaced aristocratic warrior classes. Bureaucratic administration replaced hereditary fiefdom. Tax reform funded armies that aristocratic tribute could not. The old 士 shì (knight-scholars) found their old role obsolete and began selling their expertise — military, administrative, diplomatic, philosophical — to whichever state would employ them. This mobility of educated men across state borders was the structural condition that made the Hundred Schools possible. For the Spring and Autumn context that preceded this period, see 春秋时期.

Every major tradition in Chinese intellectual history emerged during the Warring States period: Confucianism, Daoism, Legalism, Mohism, the School of Names, Yin-Yang cosmology. This is not a selection bias artifact. It reflects a structural reality: political fragmentation is an enabling condition for intellectual diversity.

A unified state with a single orthodoxy and a single court enforces conformity. The Han dynasty eventually established Confucianism as the state orthodoxy and appointed no Legalists to high office; the Qin dynasty burned books. The Warring States had none of that capacity. Scholars could (and did) move from state to state when their patron was defeated, their advice was rejected, or their ideas went out of fashion. Xunzi served at the court of Qi, then Chu, then Qin, advising different rulers with different ideas. Shang Yang moved from Wei to Qin when Wei failed to appreciate his reforms. The mobile intellectual market created genuine competition in ideas because losers could simply relocate.

States recruited talent aggressively because survival depended on it. The famous 稷下学宫 Jìxià Xuégōng (Jixia Academy) in the state of Qi housed hundreds of scholars from every school simultaneously, supported by the Qi state, debating and teaching for roughly a century (c. 330–221 BCE). Academics were given housing, salaries, and the title of 大夫 dàfū (senior officer) without administrative duties — pure institutional patronage for intellectual activity. No single unified empire could have created this, because no emperor would fund his critics.

The result was China's axial age, roughly contemporaneous with classical Greece, the Hebrew prophets, and the Upanishads in India. The parallel has been noted since Karl Jaspers coined "axial age" in 1949; the deeper question is why. One answer: the organizational precondition for an axial age is precisely this kind of fragmented political landscape, where intellectual talent can be mobile, states compete for it, and no orthodoxy can be enforced across the whole.

百家争鸣 (bǎijiā zhēngmíng, "a hundred schools contend") is the standard Chinese phrase for the Warring States philosophical explosion. The schools argued with each other, not around each other. Mohists attacked Confucian funeral rites as wasteful; Confucians attacked Mohist universal love as impossible to practice; Legalists dismissed both as irrelevant to the actual problem of state survival. The Zhuangzi satirizes Confucian moral earnestness; Xunzi wrote extended refutations of the Mohists, the School of Names, and Zhuangzi; Han Feizi synthesized elements of Confucian thought into a Legalist framework while rejecting Confucian political conclusions entirely.

The major schools in brief. 儒家 Rújiā (Confucianism): the school of 孔子, developed by 孟子 (Mencius, human nature is good) and 荀子 (Xunzi, human nature must be shaped by ritual education). Central concern: how to restore moral governance through ritual, benevolence, and virtuous cultivation. 道家 Dàojiā (Daoism): 老子 and 庄子. Central concern: alignment with the natural order (道 Dào) through non-action (无为 wú wéi), critique of Confucian moral activism as interference. 法家 Fǎjiā (Legalism): 韩非子 and Shang Yang. Central concern: state power through law, administrative technique, and rational incentive design. Human nature is neither good nor bad; it responds to incentives — design them correctly. 墨家 Mòjiā (Mohism): 墨子. Central concern: universal impartial love (兼爱 jiān'ài), opposition to aggressive war, utilitarian ethics, proto-scientific methodology. The Mohists were China's earliest systematic logicians and engineers, and they largely disappeared after the Qin unification — their egalitarianism was structurally incompatible with imperial hierarchy.

The Yin-Yang school (阴阳家) developed the cosmological framework of 阴阳 yīnyáng and 五行 wǔxíng (five phases) that would become the common substrate of Chinese medicine, geomancy, and cosmological thought. The School of Names (名家 míngjiā) investigated logic and language. The Diplomatic Strategists (纵横家 zònghéngjiā) are discussed below.

Qin was not the strongest state in the early Warring States period. Wei was dominant in the 4th century BCE, Qi was commercially the wealthiest, Chu was the largest by territory. Qin won because of a series of Legalist administrative reforms implemented by 商鞅 Shāng Yāng starting in 356 BCE — reforms so thorough that they transformed Qin from a mid-tier state into the most effectively organized military machine the Warring States had produced.

Shang Yang's reforms had two interlocking components. The first was the dismantling of the old hereditary aristocracy. Rank and reward were now tied exclusively to military achievement: soldiers were promoted by the number of enemy heads taken in battle, with a precise table linking heads to titles, land grants, and monetary rewards. A man of noble birth who performed poorly earned nothing; a commoner who fought brilliantly rose in rank. This created a lethal meritocracy of violence in which every soldier in the Qin army had a personal financial stake in killing.

The second component was administrative centralization. Shang Yang extended the 郡县制 jùnxiàn zhì (commandery-county system) across Qin, replacing hereditary lords with appointed officials accountable to the center. He standardized weights, measures, and land units; implemented a household registration system; made the mutual-guarantee group (连坐 liánzuò) liable for each other's law violations, creating a network of social surveillance that extended state control to the village level. Agriculture and military service were the two productive activities; merchants and wandering scholars were viewed with suspicion as parasitic on the productive order.

Shang Yang himself was executed by Qin's new king shortly after his patron died — torn apart by chariots on a charge of rebellion. The reforms outlasted him. By the time 嬴政 Yíng Zhèng became king in 246 BCE, Qin had been running on this system for a century. Its administrative machinery, army, and resource base were categorically superior to those of the remaining six states. The conquest of the six states (230–221 BCE) was less a military achievement than the completion of a century-long institutional project. For the unification itself, see 秦始皇.

The intellectual cost of Qin's victory was the suppression of the pluralism that had just produced the greatest intellectual era in Chinese history. The 焚书坑儒 fén shū kēng rú (burning of books, burying of scholars) in 213–212 BCE was the Qin's attempt to end the Hundred Schools permanently. It largely succeeded in the short term. The Mohists, the School of Names, and several other schools did not survive the Qin as living intellectual traditions. Confucianism survived because it was irrepressible — too many texts, too many transmission chains — and because the Han dynasty actively restored it. The story of the burning is told in full at 秦始皇.

As Qin's power grew, the remaining six states faced a strategic choice that generated one of the most sophisticated debates in Chinese diplomatic history. 合纵 hézòng ("vertical alliance," literally "joining vertically") was the strategy of the six eastern states uniting against Qin along a north-south axis. 连横 liánhéng ("horizontal linkage," east-west) was the strategy of individual states making separate accommodations with Qin, accepting Qin's dominance in exchange for their own survival at their neighbors' expense.

The advocates of these strategies were the 纵横家 zònghéngjiā (Diplomatic Strategists or "School of Vertical and Horizontal"). The two most famous were 苏秦 Sū Qín, who argued for hézòng (the six-state anti-Qin coalition) and reportedly held the seals of six states simultaneously, and 张仪 Zhāng Yí, who argued for liánhéng (alignment with Qin) and served Qin's interest as a roving diplomat. Sima Qian's Shiji presents them as rivals who studied under the same master; the later compilation of the Zhanguo Ce is largely their speeches and maneuvers.

The hézòng coalitions repeatedly formed and just as repeatedly collapsed. Individual states defected from the coalition when Qin offered them favorable terms or threatened them credibly. The fundamental problem was that the coalition's collective interest (survival of all six) conflicted with each state's individual interest (survival of itself at the expense of neighbors). Qin systematically exploited this: offer terms to the state most likely to defect, use that defection to isolate the next, repeat. The strategy worked perfectly across the final campaigns of 230–221 BCE.

合纵连横 is still a living phrase in Chinese political and business language, describing any situation where multiple parties must choose between coalition against a dominant player or accommodation with it. The analysis of why coalitions fall apart despite their members' collective interest in maintaining them has not become outdated.