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What event prompted millions of Irish to immigrate to the United States in the 1840s?

A. Several European countries were at war.

B. the Potato Famine

C. They had been fired from their factory jobs.

D. Slavery was abolished in Europe.

User Elolos
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2 Answers

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B. The potato famine
(I just finished this lesson not too long ago.)
2 votes
A i believe this is an old question
User SoAwesomeMan
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