The main reason is that t<span>he Union had strong leadership in the West.
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Answer:
Option: C. Stated if Vietnam fell to the Communists, then the rest of Asia would become Communist.
Explanation:
Before the Vietnam war, the United States was very much concern about the spread of Communism in Asia, as they gave it a term of Domino theory. The domino theory was a theory raised extensively in the 1960s. The plan stated if one nation came under communism, then the surrounding countries would become communist. The Domino effect came as a foreign policy during the Presidency of Kennedy and Johnson to support America's military involvement in the Vietnam War.
Advantage:
They were fighting on their home country. (they didn't have to travel overseas)
Britain was fighting France at the same time as they were fighting the US
Disadvantage:
They didn't have a trained army.
They didn't have much $.
