Buddhism was able to make its way to Japan and aristocrats began to fear the power of Buddhists over the government. They also revamped their administration along Chinese guidlines.
Innovations in agriculture such as irrigation technology greatly increased the population in Vietnam. They also adopted the examination system to keep a high position.
The Koreans traveled to China after realizing China's economic success. They came back with books and and new knowledge to share. Chinas fashion, style, and innovations also made its way to Korea.