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Alliance formed between France, Britain, and Russia. USA later joined this alliance.
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Alliance formed between Germany, Austria- Hungary, and Italy. Later the Ottoman Empire joined in. Also known as the Central Powers.
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A main cause of WWI and was a cause of the assination if Franz Ferdinand.
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Started World War I. Was assanated while trying to avoid a different assination. Video Clip
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A month after Ferdinand was assianated, war was declared. Began what was known then as "The Great War" , now known as World War I.
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Germany invades Belguim not only to strengthen their stronghold in Europe but also to get a better flank to invade France
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German submarines sunk U.S. Lusitania. Many Americans called for war after this happended. Video Clip " Property can be paid for; The lifes of peaceful and innocent people cannot. The present German submarine warfare against commerce is against mankind. " - Woodrow Wilson
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Started in July and lasted till November. First big battle of WWI between Britain and France against the German who had been invading France. Trench Warfare has begun. Video Clip
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A note that we intercepted that was sent from Germany to the leader of Mexico offering United States' land if they wanted to join Germany in the attack against the United States. The United States offically declared war after this. Primary Source
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Woodrow Wilson asked congress to declare war on Germany on April 2nd and congress passed on April 6th. His man reasons were the Zimmerman Telegram and the Germans not abiding to our restrictions on Submarine usage.
