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Serbia attacked Ferdinand
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Austria/Hungry declared war on serbia becayse of the death of Ferdinand
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Because Austria attacked serbia ,Russia Mobilized and Germany warned them to back down but they dident.
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Germany wanted to go through France to fight the russians
and in return they declared war -
First trenches are dug on the western fronts to protec soldiers from deadly machine guns
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On 7 May 1915,it was torpedoed and sunk by a German U-boat, causing the deaths of 128 americans were killed
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With many casualtys Russia is forced to retreat
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united states joins war
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Stoped fireing, war was over
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These men meet in italy to negotiate the treaty of versailles
