Sinification
Japan
Vietnam
Korea
Japan used a lot of elements from Chinese Civilization
They used Chinese scripts and Confucian classics
They introduced equal field system of agriculture
Buddhism was the most popular religion among the lower classes
They had court etiquette similar to the one of Tang Dynasty
The aristocratic families were the ones with the real power
The government feared that the Buddhist might try and take over the government after they planned an attack
These powerful families allied with local Buddhist monasteries and began denying the resources of that region to the emperor
The Fujiwara family was the most powerful as they used their wealth and influence to gain control of the imperial family
After the Chinese Tang model failed they abandoned the all the methods like Equal field system, civil service exams, etc.
After the central authority fallen Feudalism became the new order of the day
Constant fighting also led to a full scale civil war
300 feudal kingdoms emerged protected by samurais
Korean emperors established universities to teach Korean Youth Confucian Classics
Buddhism became a bridge that connected China to Korea
Chinese writing was introduced in Korea even though it was difficult to translate Chinese characters in Korean language
Tang emperor made a deal with the Korean Emperor to remove all military forces from Korea if the Koreans would become Vassals of the Tang Dynasty and make regular tribute payments
Chinese Innovations, fashion, styles, and etiquette made their way to Korea
Korean scholars went to China and returned with Chinese books and learning
Vietnam was able to fight of many Chinese Traditions
Adopted Buddhism
Evolved a way of Chinese writing
Adopted Chinese military technology
Adopted Chinese military organization
Adopted Chinese agricultural preactices
Adopted Chinese irrigation system