"President Eisenhower and Secretary of State John Foster Dulles believed, as Dulles put in a speech in early 1953, that the Soviets wanted to control “Indochina, Siam, Burma, Malaya … what is called the rice bowl of Asia.” Ike agreed that keeping Indochina from falling to the Communists remained essential to America’s national security."
Not sure how old you are, but those were very "Cold War" times, and "Blame" for Vietnam must be assigned to both parties...wouldn't hurt for you to review that article.