Which cultural element remained after the fall of the han dynasty?

The han Dinasty was  an era of prosperity in ancient China, it lasted around 400 years, it turned China into a world power, many important affairs flourished during that perion, such as the silk road, and Confucianism developed as one of the keystones in Chinese culture, so we have those, and some other developments in science and art such as the invention of paper, the elaborate sculptures, and also the spirituality of Tibet.

Explanation:

they usually pass federal laws

and sometimes in the elections of the president