The Vietnam War from November 1, 1955, to April 30, 1975, was caused by Communism.
What was the Vietnam War?
The Vietnam War lasted from November 1, 1955, to the fall of Saigon on April 30, 1975, in Vietnam, Laos, and Cambodia. It was the second of the Indochina Wars, fought between North and South Vietnam.
Communism was one of the causes of the Vietnam War.
Therefore, option B aptly describes the Vietnam War causes.
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