The document provides background on major philosophies that emerged in China during the Warring States period from 403-221 BCE. It describes the collapse of the Zhou Dynasty and instability that led to fighting between kingdoms. Three major schools of thought developed to address this: Confucianism focused on human relationships and virtue; Daoism emphasized living in harmony with nature; Legalism advocated for strict law and order enforced by a strong ruler. Each sought to establish stability and practical ways for people to survive turbulent times.