What was the primary reason for the U.S. entering World War I? 🔊
The primary reason for the U.S. entering World War I was the unrestricted submarine warfare conducted by Germany. This policy led to the sinking of ships, including the British Lusitania, which killed American passengers. Additionally, the disclosure of the Zimmermann Telegram, in which Germany sought a military alliance with Mexico against the U.S., further inflamed public opinion and regained support for entering the war. By April 1917, these provocations contributed to a shift in American sentiment, leading President Woodrow Wilson to declare war on Germany and join the Allies.
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