Progressive party. i just had this question and got it right. idk how much this helped but i hope it helped you!
Answer:
Option: C. Stated if Vietnam fell to the Communists, then the rest of Asia would become Communist.
Explanation:
Before the Vietnam war, the United States was very much concern about the spread of Communism in Asia, as they gave it a term of Domino theory. The domino theory was a theory raised extensively in the 1960s. The plan stated if one nation came under communism, then the surrounding countries would become communist. The Domino effect came as a foreign policy during the Presidency of Kennedy and Johnson to support America's military involvement in the Vietnam War.
He failed in his attempt to develop a more moral and less imperialistic policy in Latin American because he disregarded his ambassador by sending him home for being too aggressive. He also made decisions and took actions without the consent of the US Government. He ordered the Mexican port of Veracruz to be seized.