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Why did the united states join world war 1?

User RussellH
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2 Answers

3 votes

Answer:

Germany's resumption of submarine attacks on passenger and merchant ships in 1917 became the primary motivation behind Wilson's decision to lead the United States into World War I.

Step-by-step explanation:

User RooksStrife
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6.2k points
4 votes
the US joined world war 1 because:

1) sinking of the Lusitania
2) the Zimmermann telegram

hope this helps
User Eamon
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