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Archduke Franz Ferdinand of Austria was assassinated by a Serbian nationalist in 1915
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Trench warfare:Form of fighting where two sides fight each other from opposing trenches (long narrow ditches)
Mustard Gas:Toxic war gas with sulfide based compounds that raises blisters and attacks the eyes and lungs -
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British ocean liner carrying Americans that was sunk off the coast of Ireland by German U-Boats in 1915
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The Zimmerman Telegram is a 1917 message British intercepted from the German government to the Mexican government offering German support if Mexico declared war against the U.S. and offered to return land Mexico had lost to the U.S
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1917 uprising that destroyed the Tsarist (Czar) autocracy and led to the rise of communism and the Soviet Union in Russia
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when the nation was drawn into World War 1 on the side of the Allies. The United States of America entered the conflict, two and a half years after the war had begun on July 28, 1914, and declared war on Germany on April 6, 1917
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A state of peace agreed to between opponents so they can discuss peace terms
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Woodrow Wilson's peace plan that was easy on the German’s punishment for WWI and included: people all over the world are to determine their own fate (self-determination), no colonial powers grabbing nations, free trade, no secret pacts, freedom of the seas, arms reduction, and creation of the League of Nations.
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Major part of the final Allied offensive of WWI that stretched along the entire Western Front with lasted 47 days and brought an end to WWI. Largest battle in U.S. military history, involving 1.2 million American soldiers, and was also one of the deadliest.
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The treaty imposed on Germany by the Allied powers in 1919 after the end of World War I which blamed Germany for the war and demanded exorbitant reparations from the Germans
