What three major schools of thought emerged from the warring states period (403-221 b. c. what were their guidelines and beliefs, and with whom were they associated?

The three major schools of thought emerged from the Warring states period were-

1. Legalism- It was associated with Han Feizi. This thought spelled out and strictly enforced rules or laws through a system of rewards and punishments.

2- Confucianism- It was associated with Confucius. This was different from Legalism. It was not about the laws and punishments, but the moral example of  superiors so as to restore social harmony after the Zhou and Qin dynasties.

3- Daoism- It was associated with Laozi. Daoists urged withdrawal into the world of nature and encouraged behavior that was spontaneous, individualistic, and natural.

c, they united with once

the answer is c. they believed the royal family should hold all the power.