What caused the United States to abandon its policies of isolationism and neutrality?

A. The need to prevent the spread of communism by the Soviet Union into other nations.
B. The desire to strengthen the League of Nations.
C. The need to protect vital sources of oil in the Middle East.
D. The concern about the aggressive behavior of Germany, Italy, and Japan.

Isolationism and neutrality influenced U.S. policies during World War II, shifting following the attack on Pearl Harbor. The U.S. embargo on Japan was driven by geopolitical tensions.

Explanation:

Question 1:

The policies of isolationism and neutrality in the United States were influenced by various factors during World War II. The concern about the aggressive behavior of Germany, Italy, and Japan led to a desire to avoid being dragged into conflicts and prioritize national interests. This sentiment shifted when the United States entered the war following the Japanese attack on Pearl Harbor, moving away from neutrality to actively supporting the Allies.

Question 2:

The United States decided to embargo Japan in the early 1940s primarily because of geopolitical tensions and the need to prevent Japan from acquiring oil that would fuel its military activities. This decision marked a significant shift in U.S. foreign policy towards Japan as relations deteriorated.

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