Presentation on theme: "1917-1918. Causes Britain blockaded Germany. No military supplies were to enter – later included food. American merchants did not fight blockade Germans."— Presentation transcript:
Causes Britain blockaded Germany. No military supplies were to enter – later included food. American merchants did not fight blockade Germans begin to starve. Germans use U-Boats (Unterseeboot) to combat blockade. Unrestricted Submarine Warfare No Warning
Sinking of the Lusitania Submarine sank British liner off the coast of Ireland. 1,198 people died – 128 Americans Germans stated the liner was carrying ammunition. Americans angered Two more ships would be sunk by German ships against American Protest Arabic and Sussex German Promise of not attacking passenger ships is broken many times.
Last Straw Wilson attempted to mediate the war after 1916 election. “Peace without victory” Unrestricted Submarine Warfare. All ships in British Waters will be sunk. British Agents intercepted Zimmermann Note. German Ambassador attempted to convince Mexico to attack us from the south. Germany would support Mexico in reclaiming Texas – should war break out with U.S.
Russian Revolution (Bolshevik) *When US enters in 1917, Russia had dropped out* Russia 1917 had successful Bolshevik Revolution led by Vladimir Lenin Led to set up of Communism in Russia Result in Russia withdrawing from World War I Fear of losing war due to lack of Russian army
US Impact US enters (April 1917) and helps turn the tide of war US fights many battles that push Germans out of France Battle of Marne- turning point of the war and an Allied victory November 1918 both Austria- Hungary and Germany will surrender November an armistice or cease- fire agreement is signed
Costs of World War I 22 million died- half of them civilians 20 million more wounded 10 million refugees- left without a home US lost 48,000 men in battle and another 62,000 from disease Additional 200,000 wounded or emotional shock (Shell shock) Cost to US- $338 billion (mainly loans to other countries and equipment costs) Cost countries like Germany and France much more due to destruction of buildings and towns