Explain the reasons for American entry into WWII.
(Plz help me)

Many in the United States simply figured the problems of Europe would be contained to that continent. However, a new enemy brought the war to our shores. When the war began, the United States had entered a period of isolationism. Americans viewed the conflict as Europe's problem and wished to keep it that way.

Explanation:

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social status of early civilizations was based primarily on economic power.- true ( first choice)

a.   it resulted in widespread unemployment.