During which phases would military force most likely have
been used?
a. containment and detente
b. detente and roll back
c. containment and roll back
d. containment, detente, and roll back

During containment and roll back phases military force most likely have  been used.

C. containment and roll back

Explanation:

Containment and Rollback are one of the most aggressive policies in U.S after world war 2 the forces are most likely to be used in the containment and rollback.

In containment the United States government would spread communism in areas of the world and also would have a cooperative attitude towards the Soviet Union.

Whereas in roll back the government has the power to overthrow communist regime in some states, means that the states will be governed by only one party.

they were citizens but they could not vote and they did could not get involved into a political situation during that time.