Answer:
The US justified its military intervention in Vietnam by the domino theory, which stated that if one country fell under the influence of Communism, the surrounding countries would inevitably follow. The aim was to prevent Communist domination of South-East Asia.The USA became involved in Vietnam because it feared the spread of communism. The USA were unable to defeat the Vietcong and were met with growing opposition to the war back home.
Explanation:
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Answer:
Domino theory
Explanation:
The US said that if one country fell into communism than all the surrounding
countries will also fall into communism. They didn't want southeast Asia to fall into communism.
