The Zimmermann Telegram: The Secret Message That Brought America into World War I — Forcapedia — Forcapedia
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The Zimmermann Telegram: The Secret Message That Brought America into World War I
The Zimmermann Telegram was a secret 1917 German proposal offering Mexico an alliance to reclaim Texas, Arizona, and New Mexico if the U.S. entered World War I. Intercepted and decrypted by British intelligence, its public revelation outraged Americans and helped propel the United States into the war against Germany.