Question

why did America enter into first world war​

Answer 1

Answer:

The aim was to break the transatlantic supply chain to Britain from other nations, although the German high command realized that sinking American-flagged ships would almost certainly bring the United States into the war.

Answer 2

Answer:

Now, up until just before the U.S. declared war on April 6th, 1917, the U.S. had desperately tried to stay neutral, but ties to Britain, propaganda, the sinking of ships by German U-boats, and a German attempt in the Zimmermann Note to get Mexico to declare war on the U.S. pushed the U.S. to getting involved.

Explanation:

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