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US INVOLVEMENT IN WWI. US Neutrality. President Woodrow Wilson Tried to keep United States out of WWI from 1914-1917 Tried to act a mediator between Allied and Central Powers. Causes of American Involvement. 1. Unrestricted Submarine Warfare 2. British propaganda 3. Zimmerman Telegraph
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US Neutrality • President Woodrow Wilson • Tried to keep United States out of WWI from 1914-1917 • Tried to act a mediator between Allied and Central Powers
Causes of American Involvement • 1. Unrestricted Submarine Warfare • 2. British propaganda • 3. Zimmerman Telegraph • 4. Russian Revolution
Unrestricted Submarine Warfare • Germany created new submarine called the ”U-Boat” • British blockaded North Sea, so Germany gave a “sink on sight” order to any ship approaching Britain • May 7th, 1915-British passenger liner the “Lusitania” sunk off the coast of Ireland • Killed 128 Americans
Unrestricted Submarine Warfare • Aug. 1915 • The Arabic is sunk by the Germans • 2 Americans are killed
Unrestricted Submarine Warfare • March 1916 • The Sussex, an unarmed passenger ship is sunk • America threatens to cut off diplomatic relations • Sussex pledge- no passenger or merchant ships would be sunk without warning
British Propaganda • The British sent news of the war to US newspapers everyday • Full of Propaganda • Led the American public to be sympathetic toward the British
Zimmerman Telegram • March 1917-British authorities gave to the US a telegram that was supposedly sent to Mexico from Germany • It had been decoded by the British • It asked Mexico to declare war on the US and they would be supported by Germany
Russian Revolution • March 1917-Russia left WWI due to a Revolution in their own country • Germany now would concentrate totally on the Western Front • Pleas from Great Britain and France to join the war effort
Declaration of War • April 2, 1917-Wilson asks Congress to declare war on Germany • “The World must be made safe for Democracy” • April 6th-Congress votes and declares war