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The Sinking of the Lustiania
A German U-boat torpedoed a British passenger ship, the Lusitania, killing more than 1,000 people, including 128 Americans.
Unrestricted Submarine Warfare
German is sinking and attacked ships that belong to the US and contain US citizens
Germany, seeking to avoid war with the United States, issued the Sussex Pledge, promising to suspend its surprise attacks on merchant vessels.
The Sussex Pledge
The Zimmerman Note
Wilson released a decoded telegram from German foreign minister Arthur Zimmermann to Mexico. Zimmermann proposed that, if the US entered the war, Mexico go to war with the US as a German ally. Zimmermann promised that if Mexico allied with Germany, Germany would provide “financial support and an understanding on our part that Mexico is to reconquer lost territory in Texas, New Mexico, and Arizona.”
The United States officially declared war on Germany
U.S. Enters WWI
Dasha Preston Period : 6
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