Question

Which statement paraphrases the “domino theory” justification for U.S. military involvement in Vietnam? A. If Vietnam allied with neighboring nations, Western powers would lose their investments. B. If Vietnam isolated itself from trade, the global economy would suffer. C. If Vietnam supported Japanese economic interests, the Pacific Rim nations would strengthen. D. If Vietnam fell to communism, other nations would soon follow.

Answer 1

I believe the answer is D.

Hope this helps! 

>If one country adopted communism, it's neighboring countries would follow suit this is called Domino theory!<