The document discusses the history and principles of communism in Vietnam. It explains that communism grew in Vietnam due to French colonial rule provoking Vietnamese nationalism. Key events included the founding of the Vietnamese Communist Party in 1930 with Ho Chi Minh as its leader, and the successful communist revolution in 1945 that established the Democratic Republic of Vietnam. However, the country was then divided during the Vietnam War, with communist rule established in the north and a capitalist south backed by the United States. Communist principles of social equality and public ownership were implemented in northern Vietnam.