Which of the following events sparked the end of America's isolationist policy?
QUIZ
A
German U-boats attacked American ships, killing over one hundred Americans.
LYRIC LAB
B
Hitler invaded Poland, Denmark, Norway, Belgium the Netherlands, and France.
С
In 1941, the Axis took control of most of Europe.
D
Europe's leaders blamed foreigners for their countries' problems.
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CONFIRM ANSW