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Archduke Franz Ferdinand and his wife were assassinated while visiting Sarajevo, Bosnia. He was next in line for the Austro-Hungarian throne. The killings set off decades old tensions in Europe and started WWI.
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The assassination of Ferdinand basically started the war. It became deadly very fast. Its important because the assassination led to the war with Austria-Hungary and Serbia.
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Gas is a very deadly weapon to use. Since it goes into your lungs it acts just like oxygen but it kills you. When it was first used by the Germans, it became a very powerful weapon to have.
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The sinking of the Lusitania angered the American public. Over 1,000 people died and in that 1,000, 128 Americans died. This was all because the Germans sunk this ship.
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Wilson was reelected because the majority of the Americans agreed with him in his decisions. They also wanted to save their home countries, but they did not want to be involved in fighting.
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This was a secret communication that proposed the alliance between Germany and Mexico, since America might enter the war.
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After many quarrels, the U.S. entered the WWI. This was a big risk, but it had to be done.
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Bolsheviks overthrew the Russian government. Bolsheviks wanted to pull out of the war so they could focus on setting up a new Communist state.
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WWI ended on November 11, 1918. Many deaths and losses, but the war was over.
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The Allies and Germany signed this treaty. Under harsh terms, Germany had to accept full responsibility for WWI. Germany had to pay their allies billions of dollars.
