I know this is not two paragraphs but i need more points and it is an answer.
During World War II (1939–1945), Japan stationed a large number of soldiers in Vietnam and reduced French influence. ... After World War II, France attempted to regain its colonial domination of Indochina (Vietnam, Cambodia, and Laos) which led in 1946 to the outbreak of an insurgency against France by the Việt Minh.