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archduke was assassinated with his wife sophie by Gavrilo Princip in sarah jevo -
austria declared war on serbia which is the reason world war 1 started for the reason of archduke franz ferdinand -
Tsar Nicholas II ordered the mobilization of Russian forces to deter Austria-Hungary from invading Serbia. -
germany demanded that russia stop preparing for war and when they refused germany declared war on russia -
Austria blamed Serbia, which then looked to Russia for support. Germany declared war on Russia in support of Austria and on France because of her alliance with Russia. -
german submarine u-20 torpedoed and sank the Luistania killing 1,959 men, women and children on board -
"the U.S. Senate voted in support of the measure to declare war on Germany. The House concurred two days later. The United States later declared war on German ally Austria-Hungary" -
14 is a designed for the rebuilding of the postwar world, the points included Wilson's ideas regarding nations' conduct of foreign policy including freedom -
great britain declared war on germany to defend the balance of power in europe and safequard britains position in the war -
Germany invaded the Netherlands, Belgium. The plan required German troops invade Belgium to get to France.