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U.S. History Topics » Wars » World War I

The Zimmermann Telegram

is lesson plan aims to help students understand the causes of World War I and why the U.S. intervened. In January of 1917, British cryptographers deciphered a telegram from German Foreign Minister Arthur Zimmermann to the German Minister to Mexico, von Eckhardt, offering U.S. territory to Mexico in return for joining the German cause. This telegram helped draw the United States into the war. (National Archives and Records Administration)

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Zimmermann Telegram - Decoded Message. Record Group 59: General Records of the Department of State, 1756 - 1979. National Archives and Records Administration ARC Identifier 302022

Decoded message

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U.S. Time Periods »  1914-1945: World Wars » 

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