The transition from the Spring and Autumn to the Warring States Period is, all in all, an eight decade process. But the major event that would shape the conflict to come is the civil war that would destroy the pre-eminent power of the 6th century BCE Zhou Empire, and result in the total breakup of the State of Jin into three of the seven soon-to-be warring states: Han, Wei, and Zhao. Learn more about your ad choices. Visit megaphone.fm/adchoices