During the Warring States Period(475-221 BC),there were in the central partof China seven major states. Qin, themost powerful of the seven,was a con-stant threat to the other six.In 241 BC,the sixstates formed an alliance with Chu,the largest ofthese states,as their leader.They planned to orga-nize an allied army to attack Qin,and would appointa general of Chu its commander. During the Warring States Period (475-221 BC), there were in the central partof China seven major states. Qin, themost powerful of the seven, was a con-stant threat to the other six. In 241 BC, the sixstates formed an alliance with Chu, the largest of the states, as their leader. The planned to orga-nize an allied army to attack Qin, and would appointa general of Chu its commander.