Answer: The answer is B. Many Americans were isolationists and didn't want to get involved in Europe's troubles.
Step-by-step explanation:
The answer A is not correct because the U.S was not scared of Mussolini and Italy's military strength.
The answer B is correct because they were isolated from where the war was and they didn't want to join the war. The U.S wanted to be neutral.
The answer C is not correct because the U.S did not sympathize the fact that Japan was trying to expand its territory.
The answer D is not correct because the U.S was against Germany and Hitler.