Qin Wars of Unification (230–221 BCE)

Map of Zhou China c.400 BC

The Late Zhou period also heralded the ‘Warring States Era’ which saw almost three centuries of bitter rivalry and warfare between a mass of fractured Chinese kingdoms. Eventually the kingdom of Qin, on the western edge of early China would conquer the rest, while the Shu and Ba people were also brought into the kingdom for the first time.

Combatants Qin vs. Han, Zhao, Wei, Chu, Yan, Qi

Principal Commanders Qin: King Ying Zheng (Emperor Qin Shi Huang), Wang Jian, Wang Ben, Li Xin

Other States: King An, King Qian, Li Mu, King Fuchu, King Xi, King Jia, Xiang Yan, King Tian Jian

Principal Battles Daliang

Outcome The seven states of central China are formed into one state. The short-lived Qin dynasty gives its name to China and establishes the concept of a unified state

Causes

The Qin Wars of Unification of 230-221 BCE were the direct result of the efforts of King Ying Zheng of Qin (later emperor as Qin Shi Huang) to control all northern China. Born Ying Zheng in Handan in 259 BCE, Qin Shi Huang (Ch’in Shih-hung) was nominally the son of the king of Qin but may have actually been the offspring of his father’s powerful chancellor, Lü Buwei. Regardless of his patrimony, Ying Zheng succeeded to the throne at age 13 in 245 on the death of his father and assumed his personal rule at age 22 in 231 when he seized full power and dismissed Lü Buwei, who had been acting as regent.

As ruler, Ying Zheng put down a number of rebellions. He also built up the army, emphasizing the cavalry, and carried out a number of reforms, especially in agriculture. The king was determined to expand Qin territory. Most of the smaller states of northern and central China, such as the Ba, Shu, Zhongshan, Lu, and Song states, had already been absorbed by their more powerful neighbors, and by the time Ying Zheng had come to the throne there were seven major states in northern China: Qin, Han, Zhao, Wei, Chu, Yan, and Qi. Having consolidated his own kingdom, Ying Zheng now proceeded to conquer the other remaining feudal states of the Yellow River and lower and middle Yangtze River valleys in a series of campaigns from 230 to 221 BCE. His strategy was to attack and defeat one state at a time, described in one of the so-called Thirty-Six Stratagems as “befriend a distant state while attacking a neighbor.” This meant first allying Qin with the Yan and Qi states and holding at bay the Wei and Chu states while conquering the Han and Zhao states.

Course

Han was the weakest of the seven states and had previously been attacked by Qin. In 230 led by Minister of Interior Teng, a Qin army moved south across the Huang He (Yellow River) and invaded Han. Cavalry played a major role in the campaign. That same year the Qin army captured the Han capital of Zheng (today Xinzheng in Zhengzhou in southern Henan Province). With the surrender of King An of Han, the whole of Han came under Qin control.

Zhao was the next state to fall. Qin had invaded Zhao before but had not been able to conquer it. Zhao, however, was struck by two natural disasters-an earthquake and a famine-and in 229 the Qin armies again invaded, this time in a converging attack by three armies on the Zhao capital of Handan. Capable Zhao general Li Mu avoided pitched battle, however, choosing to concentrate instead on the construction of strong defenses, which indeed prevented the Qin armies from advancing farther. Ying Zheng then bribed a Zhao minister to sow discord between Li Mu and Zhao King Qian, who as a result came to doubt his general’s loyalty. Indeed, Li Mu was subsequently imprisoned and executed on King Qian’s order. Learning of Li Mu’s execution, in 228 the Qin armies again invaded Zhao. After several victories against the Zhao armies, Qin troops captured Handan and took King Qian. Ying Zheng then annexed Zhao.

That same year, 228, Qin general Wang Jian prepared for an invasion of Yan. Ju Wu, a Yan minister, suggested to Yan King Xi that he ally with Dai (present-day Yu, Zhangjiakou, in Heibei), then ruled by Prince Jia, the elder brother of the former king of Zhao, and also Qi and Chu. Crown Prince Dan opposed this course of action, however, believing it unlikely to succeed. Instead he sent an emissary, Jing Ke, to Qin with the head of a turncoat Qin general and orders to assassinate Ying Zheng. The assassination attempt failed, and Jing Ke was killed.

Using the attempted assassination as an excuse, Ying Zheng then sent an army against Yan. The Qin defeated the Yan Army, which had been strengthened with forces from Dai, in a battle along the east ern bank of the Yi River. Following their victory, the Qin army occupied the Yan capital of Yi (present-day Beijing). King Xi and his son Crown Prince Dan then withdrew with the remaining Yan forces into the Liaodong Peninsula. Qin general Li Xin pursued the Yan forces to the Ran River (present-day Hun River), where they destroyed most of the remaining Yan forces. To save his throne, King Xi ordered the execution of his son Crown Prince Dan, then sent his head to Qin in atonement for the assassination attempt on Ying Zheng, who accepted this “apology” and made no further military effort against Yan at this time.

In 222, however, Wang Ben led Qin forces in renewed warfare against Yan. The Qin army invaded the Liaodong Pen insula and captured King Xi. Yan was then annexed to the expanding Qin Empire.

In 225 Qin moved against Wei, first sending an army under Wang Ben that reportedly numbered 600,000 men to take more than 10 cities on the border with Chu in order to prevent that state from invading while the attack on Wei was proceeding. Wang Ben then moved against Daliang. It had natural defenses in that it was located at the confluence of the Sui and Ying Rivers. The city also had a very wide moat and four drawbridges that provided access to the city proper. Given the difficulties of taking Daliang, Wang Bei decided on an attempt to redirect the waters of the Yellow River and the Hong Canal in order to flood Daliang. It took his men more than three months to accomplish this considerable engineering feat while at the same time maintaining the Siege of Daliang. Wang Bei’s plan worked. Reportedly, more than 100,000 people lost their lives in the flooding of the city. King Jia of Wei then surrendered, and Wei was added to Qin.

Chu was next. In 224 Ying Zheng called a conference to discuss the plans for the invasion. General Wang Jian said that no fewer than 600,000 men would be re quired, but General Li Xin claimed that 200,000 men would be sufficient to conquer Chu. Ying Zheng then appointed Li Xin and Meng Wu to lead 200,000 men in two armies against Chu, while Wang Jian retired from state service, supposedly the result of illness.

The Qin armies enjoyed initial success. Li Xin’s men took Pingyu, while Meng Wu captured Qigiu. After then taking Yan (all three cities in present-day Henan), Li Xin led his army to rendezvous with Meng Wu. However, the Chu army, under Xiang Yan, had been avoiding a decisive encounter and was waiting for the opportunity to launch a counterattack. Xiang Yan’s army now pursued Li Xin during a three-day period, catching up with him and carrying out a surprise attack, joined by forces under Lord Changjing, a relative of Ying Zheng, a descendant of the Chu royal family. The two Chu armies effectively destroyed Li Xin’s army.

Informed of the crushing Chu victory over Li Xin, Ying Zheng then traveled to his retired general Wang Jian’s residence and personally apologized for having doubted his advice. Wang Jian agreed to return to government service, this time in command of the force of 600,000 men he had initially recommended. Meng Wu became Wang Jian’s deputy.

In 224 Wang Jian’s army invaded Chu territory and made camp at Pingyu. Chu general Xiang Yan assembled the entire Chu army and attacked the Qin encampment but was repulsed. Wang Jian then held his position, refusing to attack the Chu force as Xiang Yan had wanted, and it subsequently withdrew. As the Chu army was doing so, Wang Jian launched a surprise attack and then pursued the Chu army into Qinan (northwest of present-day Qic hun County, Huanggang, Hubei), where it was defeated and Chu commander Xiang Yan was killed in action.

In 223, Qin forces again invaded Chu and captured the capital city of Shouchun (present-day Shou in Lu’an, Anhui). King Fuchu of Chu was among those taken prisoner. Qin then annexed Chu. The next year, Wang Jian and Meng Wu attacked the Wuyu region (present-day Zhejiang and Jiangsu). It became part of the Qin territorial holdings.

In 221 BCE, Qi was the only state of north China not conquered by the Qin. Ying Zheng had early on bribed Qi chancellor Hou Sheng into advising King Tian Jian of Qi not to assist the other states, which were being conquered by Qin. Too late, King Tian Jian recognized the threat and sent his army to the border with Qin. Ying Zheng then used the excuse of Tian Jian’s refusal to meet with the Qin king’s envoy as justification for an invasion.

Avoiding the Qi forces massed on the border, commander of the Qin invasion force general Wang Ben moved his army into Qi from Yan territory. The army there fore met little resistance before arriving at the Qi capital of Linzi (north of present day Zibo, Shandong). Taken by surprise, King Tian Jian surrendered without a battle. Qi was then absorbed by Qin.

Qin expansion had, however, eliminated the buffer zone between the Chinese states and the nomadic peoples of present day Inner and Outer Mongolia, thus creating the need for the system of defensive fortifications known as the Qin Great Wall.

Upon absorbing Qi, Ying Zheng established the Qin dynasty, assuming the throne name of Qin Shi Huang (meaning “First Emperor of China”). As the first emperor of China, he had an enormous impact on the future of China and on the Chinese people. A reformer but also a strong-willed autocrat, he and his chief adviser Li Si pushed through a series of changes designed to solidify the unification. To diminish the threat of rebellion, the emperor required members of the former royal families to live in the capital of Xianyang, in Shaanxi Province.

Qin Shi Huang also abolished feudal ism and divided his territory into 36 prefectures and then divided the prefectures into counties and townships, all of which were ruled directly by the emperor through his appointees. A uniform law code was established, and Qin Shi Huang decreed a standardized system of Chinese characters in writing. A new tax system was put in place that is said to have exacted a heavy financial toll on the Chinese people. Qin Shi Huang also established a uniform system of laws, weights and measures, and coin age. In an attempt to silence any criticism of his rule, in 213 Qin Shi Huang ordered the burning of all books in the empire and records of all other dynasties and the execution of those scholars who opposed him, along with their families. Stories that he ordered some 460 Confucian scholars buried alive in Xianyang are probably not true, however.

Qin Shi Huang and Li Si also undertook a series of mammoth construction projects, including setting hundreds of thousands of men to work building the great defensive wall that incorporated older walls. This wall served as a precedent when later re gimes, most notably the Ming, also built systems of fortified walls as a means of defense against nomadic peoples to the north. The emperor also oversaw construction of a system of new roads designed to unify China economically and facilitate the passage of goods and troops radiating from the capital of Xianyang. Qin Shi Huang is now also known for having ordered construction of his large mausoleum in Xian, guarded by life-sized terra-cotta warriors and horses. Discovered in 1974 and opened to the public in 1979, the 800 warriors and their horses guarding the tomb are regarded as one of the greatest archaeological finds of all time.

Around 212 BCE, Qin Shi Huang subsequently expanded Qin territory to the south (i. e., south of the Changjiang [Yangtze or Yangxi River]). His generals Meng Tian and Zhao Tuo conquered northern Korea (Goryeo, Koryo) as well as the areas later known as Fujian, Guangdong, Guangxi, and Tonkin (Tongking) in north ern Vietnam.

Seeking to extend his life, Qin Shi Huang had been taking a medicine prescribed by his doctors that contained a small amount of mercury. He died, apparently of mercury poisoning, while on a tour of eastern China in Shaqiu Province in 210. In short order there was a strong re action to his autocratic regime. His second son and successor, Hu Hai (Qin Er Shi), proved to be an inept ruler, and a great peasant rebellion, led by Chen Sheng and Wu Guang, soon began. This sparked a series of rebellions that, combined with in fighting at court, brought the Qin dynasty to an end in 206 BCE.

Significance

The Qin Wars of Unification joined the seven states of central China into one state. Although the Qin dynasty itself was short lived (221-206), it gave its name to China and produced the concept of a unified Chinese state.

Further Reading Bodde, Derk. “The State and Empire of Qin.” In The Cambridge History of China, Vol. 1, The Ch’in and Han Empires, 221 B. C.-A. D. 220, edited by Denis Twitchett and Michael Loewe, 21-102. Cambridge: Cambridge University Press, 1987. Clements, Jonathan. The First Emperor of China. Stroud, Gloucestershire, UK: Sutton, 2006. Tianchou, Fu, ed. The Underground Terracotta Army of Emperor Qin Shi Huang. Beijing: New World Press, 1988. Wood, Francis. The First Emperor of China. London: Profile Books, 2007. Zilin Wu. Qin Shi Huang: The First Emperor of China. Hong Kong: Man Hei Language Publications, 1989.

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