B) Truman Doctrine.
I hope this answer is right.
Answer:
One way the could is by forcing trade deals with other weaker countries.
These trade deals where sometimes about having access to a countries resources or just about having access to an important ones like oil.
These deals where unfair to the nation they are getting forced on.
Example - The USA forcing Japan to trade with the west by showing up to Japan's shores with ships.
Because of the Natives there that were not friendly with them.
Answer:
I'm pretty sure it's
A) Congress chooses the President
