What are these two answers because I can’t find it and I’ve read it like 5 times.

During the cold war, the united states was involved in certain regional conflicts due to fears later called the domino theory, which stated which concept?

How do you think entrepreneurs contribute or industry in america? describe your answer.

Ahistorian who compares the expansion of political systems to the expansion of economic systems is organizing history by o a. region b. culture c. period d. theme