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When Archduke Franz Ferdinand and his wife visited Sarajevo in Bosnia, a bomb was thrown close to them as a failed attempt of assassination. Later however, they ended up getting shot and killed by a lone assassin. This led an outbreak to war that the U.S. did not want to be involved in. World War I. -
Great Britain had declared war since Germany did not want to remove neutral Belgium troops. The U.S. didn't want to be involved with this since they had extensive trade with Western Europe. -
A German U-Boat submarine, The Lusitania, torpedoed and sank. This cruise travelled from New York to England. When it sank, it drowned 1,200 people, along with 128 Americans. -
The U.S. voters re-elected Woodrow Wilson for a second term as President of the United States since he had a campaign to help Americans stay out of World War I. -
Alfred Zimmermann had received a telegram from the British about the German embassies from Washington D.C., The message shows plan of how an alliance of Germany and Mexico would work and how it would be against the United States. This message had already been passed along to the Americans and the British, causing sadness into having America join World War I. -
April 6, 1917, Former U.S. president Woodrow Wilson had declared war on Germany, since Germany had a resumption of attacks on ships. -
14,000 U.S. troops had landed in France near Saint Nazaire. These troops were called the "Doughboys", and were kept secret from the German submarines. -
Congress had passed a new law, The Sedition Act. This law was designed to protect Americans from participating in the war. -
Germany and Allies ended the World War since an armistice was signed. -
A German delegation signed the 230-page term of the Treaty which ended the war. And U.S. President Woodrow Wilson left Paris.