The document discusses the major influences on Vietnamese political culture, which were derived from China during 1000 years of Chinese rule. Vietnam adopted the ancient Chinese system of government based on Confucianism, imposing political institutions and making Confucianism the official ideology. It also describes the Chinese civil service examination system that was instituted in Vietnam from the 11th-1913th centuries to select civil servants, as well as the social structure influenced by Confucian norms that stratified society into groups led by the emperor and scholar-officials, then farmers, artisans, and merchants.