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Franz Ferdinand was shot by Princip in the neck and he also shot Sophie in the abdomen while there was a motorcade going on.
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The Great War began by Austria-Hungary declaring war on Serbia and starting the Great War.
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Kaiser Wilhelm announces an important step in the development of that policy, proclaiming the North Sea a war zone and that any ship could be sunk without warning
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The Lusitania was sunk by a German submarine that was off the south coast, which was torpedoed without warning.
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The Battle of the Somme was the First World War fought by the armies of the British and French empires against the German Empire.
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Woodrow Wilson was re-elected in the United States by using the motto, "“He kept us out of the war,” as a campaign slogan.
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The Zimmerman Note was a diplomatic communication issued from the German Foreign Office in January 1917 that proposed a military alliance between Germany and Mexico if the United States entered World War I against Germany, but President Wilson abandoned his policy of neutrality and asked Congress to declare war against Germany and the Central Powers.
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The Selective Service Act was an act passed by the federal government to have an army for World War I by having men enlisted for the war.
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The Convoy System was a group of merchant vessels sailing together, with or without naval escort, for mutual security and protection.
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The Espionage Act passed to make sure no one conveyed the information of the U.S. armed forces.
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Fourteen Points Speech outlined the United States' war aims. Wilson believed that this speech would form a lasting peace.
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Russia pulled out of the war because, Vladimir Lenin created a communists government, which signed the Treaty of Brest-Litvosk with Germany to pull Russia out of the war.
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The Sedition Act was a piece of legislation designed to protect America’s participation in World War I.
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The Flu Epidemic was the deadliest influenza in modern history. It infected nearly 500 million people.
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When Germany signed the Armistice, which was an agreement with the allies, it ended the war.
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President Wilson went to the Congress and asked for a declaration of war against Germany in order to "make the world safe for democracy." On April 4, Congress granted Wilson's request and the declaration on Germany was started.