Vietnam War is seen as the most severe war in Vietnam. It is a protracted struggle between Vietnam communist government and the United States (with government of South Vietnam) who tried to erase the growth of communism.
The period from 1963 to 1969 is the most severe phase of Vietnam War. The U.S President, Lyndon B. Johnson had to deal with many explosive situations of Vietnamese communists. The escalation of the U.S in Vietnam War caused the uprising of communists.