1. What was the main reason for American involvement in the Vietnam War? O to prevent the spread of Soviet nuclear missiles
to support the Vietnamese fight for independence from France
O to fight against invading Soviet military forces
O to prevent communism from spreading in Southeast Asia

to support the Vietnamese fight

Explanation:

China had become communist in 1949 and communists were in control of North Vietnam. The USA was afraid that communism would spread to South Vietnam and then the rest of Asia. It decided to send money, supplies and military advisers to help the South Vietnamese Government.

to prevent communism from spreading in Southeast Asia

Explanation: The main reason why the United States of America got involved in the Vietnam War which was between the non-communist South Vietnam and communist North Vietnam whereby communists Northern wanted to take over the non-communist Southern Vietnam was the containment of Communism and the spreading of communism into the non-communist democracies.

answer; /// i believe that the correct answer is (d)the huang he river valley;