The correct answer to this open question is the following.
Although the question has no options attached, we can say the following.
During the Han dynasty, Confucianism replaced legalism as the main ruling doctrine.
The Han Dynasty in China began in 202 BCE and ended in 220 CE. Confucianism spread the teachings of Confucius, whose original name was Kong Qiu. He taught about ethics and the moral of people. How to behave in a moral way in everything they do. He talked about being polite and correctness as a member of Chinese society and supported values such as sincerity, justice, and the good rule of government.