In the1960’s, the United States was involved in Vietnam primary because:(1 point)
Responses

the American people supported the involvement in Vietnam.
the American people supported the involvement in Vietnam.

it feared that if Vietnam became communist there would be a domino effect causing surrounding countries to become communist.
it feared that if Vietnam became communist there would be a domino effect causing surrounding countries to become communist.

American businesses in Vietnam supported Communist control.
American businesses in Vietnam supported Communist control.

Cambodia was threatened militarily by the possibility of a Communist government in Vietnam.