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Trench Warfare
Both sides made trenches and dugout systems opposing each other along a front, protecting them from assaults. Germany went against their word to stop submarine warfare in the Atlantic and Mediterranean, and they tried to get Mexico to join their alliance against the United States. (1914-1918) -
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World War I
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Sinking of Lusitiana
A German U-boat torpedoed and sank the Lusitiana.
There were 120 Americans on the ship. It changed the opinion of Germans. -
Zimmerman Note
British cryptographers deciphered a telegram from German Foreign Minister, Arthur Zimmerman, to German Minister to Mexico, von Eckhardt, offering United states territory in return for joining the German cause. -
Espionage and Sedition Acts
Gave officials the authority to ban newspapers and magazines from the mails and threatened individuals convicted of obstructing the draft with $10,000 fines and 20 years in jail. -
Spanish Flu
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Fourteen Points
The Fourteen Points was a statement of principles for peace that was to be used for peace negotiations in order to end World War I. -
Treaty of Versailles
World War I officially ended with the signing of the Treaty of Versailles on June 28, 1919. Negotiated among the Allied powers with little participation by Germany, its 15 parts and 440 articles reassigned German boundaries and assigned liability for reparations. -
Women
The 19th Amendment granted women the right to vote. During World War I, large numbers of women were recruited into jobs vacated by men who had gone to fight in the war. New jobs were also created as part of the war effort, for example in munitions factories.
