List three ways china influenced japan and one way korea affected japanese culture.

Religion The Japanese combined Buddhism with their Shinto religion. Shinto was based on respect for the forces of nature and ancestor worship. Buddhist rituals became part of Shinto.

Government Japanese rulers such as Prince Shotoku worked on building a strong central government similar to the Chinese government. 
Culture.

The Japanese adopted Chinese styles of cooking, gardening, drinking tea, and even hairdressing. They based their system of writing on Chinese characters.

Korea had a major impact on japan too. for example, the Buddhist religion traveled from Korea throughout china and japan making a major impact on their religion and culture.