During the Warring States period, the governors of various countries were divided into generals and were in charge of civil and military affairs. It is a well-known example that King Huiwen of Zhao takes Lin (? n) as the prime minister and Lian Po as the general. The article Xunzi Wang Ba says that a hundred officials are the best, so The Warring States Policy Qi Ce says, "So he took the old item as the general and sent one thousand kilograms of gold and a hundred chariots to hire. The highest official of Chu is called Ling Yin, followed by Zhu Guo, the military attache, whose official number is different from that of other countries.