楚国
(?
559 BC～
545 BC)
Late in the reign of Chu Chu and Jin's hegemony in the non-dominant, and gradually caught the long war with Wu. Especially of Chu 20 years (ie 562 BC), the strength of heights as a barometer of Jin Zheng Chu, Chu change from the close alliance with the Jin and Chu were the king had no choice. Of Chu 30 year reign of the king's death Kang, Zheng's doctor who made it clear that the current state of Chu and Chu and Jin have been unable to compete.