This chapter turns to the accounts of the campaigns of the Spring and Autumn Period (771–476 BC), followed by those of the Warring States Period (475–221 BC) that ended with the creation of the first imperial state in China in 221 BCE, and finally the campaigns that created, maintained, lost, restored and then permanently lost the Han dynasty (206 BC–AD 220). War for rulers, generals and statesmen required them to devise and execute strategies that were not ideal, often failed, and seldom accommodated higher moral values. This reality was portrayed clearly in most of the histories, even in the stylised and moralised anecdotes that are often all that is left to us.

Most discussions of Chinese military history and Chinese strategy rely heavily, sometimes exclusively, on Sunzi’s Art of War, with the occasional inclusion of a few other works of strategy. There is, however, no evidence that Sunzi or any other abstract strategist, mythical or real, influenced the actual course of campaigns or battles. The Warring States Period (475–221 BC) was brought to a close by the success of the Qin state’s relentless campaigns to create a unified empire. This not only required a new strategic goal – the complete destruction of any subsidiary political authority – but also created a new strategic reality in the form of an empire. Neither Sunzi nor any of the other Warring States strategist had anything to say about these problems. In fact, events like the Qin massacre of a reported 450,000 men after the Battle of Changping in 260 BC, which followed a prolonged siege, seems to have run counter to strategic writing, but was tremendously effective.

This chapter will turn to the actual campaigns of the Spring and Autumn period (771–476 BC), followed by those that created the first imperial state in China in 221 BC, and finally the campaigns that created, maintained, lost, restored and then permanently lost the Han dynasty (206 BC–AD 220). War required rulers, generals and statesmen to devise and execute strategies that were not ideal, often failed and seldom accommodated higher moral values. This reality was portrayed clearly in most of the histories, even in the stylised and moralised anecdotes that are often all that is left to us.