QUESTION 4 What was the domino theory? O a theory that purported legalized gambling would prevent communism from spreading to Vietnam O the belief that buildings in Vietnam were susceptible to collapsing upon one another O the assumption that communism would spread from one nation to its neighbor, expanding its influence across borders the belief that if the Communists took over Vietnam, communism would spread to the United States

QUESTION 4 What was the domino theory? O a theory that purported legalized gambling would prevent communism from spreading to Vietnam O the belief that buildings in Vietnam were susceptible to collapsing upon one another O the assumption that communism would spread from one nation to its neighbor, expanding its influence across borders the belief that if the Communists took over Vietnam, communism would spread to the United States