Roots of American Involvement in Vietnam

Vietnam is about 9000 miles away from the USA, but what provoked the USA to determine to get involved in the civil war between the Vietnamese back in the 40's-70's far away from them? Why did they intervene in the Vietnam War between 1954 and 1963? Actually, the answer is very simple. They were afraid of the spreading of the communism and wanted to stop it before it was too late.
Militarily, following up by the defeat of French, the French was compelled to leave Vietnam which would leave a power void for Ho Chi Minh, a communist, to take over easily. In the Battle of Dien Bien Phu, 1954, 16,000 French troops were either killed or captured by the Viet Minh. It convinced the French government to leave Indochina as soon as possible. …