The correct answer is C) the United States supported South Vietnam hoping to keep Communism from spreading in South East Asia.
Cold War tensions rose in the years after the creation of North and South Vietnam in that the United States supported South Vietnam hoping to keep Communism from spreading in South East Asia.
The Vietnam region became a conflictive area that confronted the United States and the Soviet Union during the Cold War. North Vietnam was under the influence of Communism. Meanwhile, South Vietnam received the support of the United States that were very interested in impeding the spread of Communism in that region. South Vietnam received economic support from the U.S. and in the military. North Vietnam received support from Russia and China.
