What happened after Wu Di expanded China's empire over a larger territory? New ways of governing were needed. The people migrated to other lands. The amount of trade dropped dramatically. New schools were created to train scholars

Wu Di is an emperor during the Han dynasty in China. His reign lasted for 54 years with a lot of things done for the empire. He expanded the empire to a large territory. It brought a lot of positive things. It was able to develop a strong and centralized state and thus there was a governmental re-organization that includes the promotion of Confucian doctrine.