Question

9. What was the Eisenhower Doctrine? The United States would use force to help Middle Eastern nations threatened by communism. The United States would nationalize the Suez Canal. The United States would recognize the People's Republic of China. The United States would immediately try to liberate all of the countries behind the iron curtain.​

Answer 1

I think that is the United States would use force to help middle eastern nations threatened by communism

Step-by-step explanation:

Because The doctrine of Massive Retaliation is a geostrategic military doctrine and a nuclear strategy whereby a state commits to retaliate against the enemy in a much more forceful way in the event of an attack. She was adopted by the President of the USA.