Answer:
C
Explanation: We joined the war after Pearl Harbor.
B is the answer because pangea is one super continent
Answer:
It is essential for the welfare of this country.
Explanation:
He thought that overseas expansion was in the best interest of America.
Answer: The US was concerned about the spread of communism in these regions. Thus, they US started to prepare in case of a attack as well as infulence these areas to become democrate states.
Explanation: Areas like Cuba (Right on the US's Door step) are good areas to directly attack the US.