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The US entered the conflict on the side of the Allies


information designed to influence opinion


On May 7,1915 a German U-boat torpedoed this British passenger liner off the coast of Ireland


A German U-boat torpedoed this unarmed French passenger ship and injured several Americans

Zimmerman telegram

Arthur Zimmerman (the German foreign minister) sent this telegram to Mexico with an offering to the Mexican government


rule by one person with unlimited power

the Algonquin, the City of Memphis, the Illinois, and the Vigilancia

the Germans attacked these ships without warning and 36 lives were lost

Selective Service Act

On May 18th Congress passed this act that established a military draft

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