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        Ferdinand was assassinated by Gavrilo Princip. Ferdinand was in alliance which then caused WWI. - 
  
  
        Austria-Hungary declared war on Serbia due to the alliance and assassination of Ferdinand. - 
  
  
        The beginning of the war. - 
  
  
        It was a fight between the French and Germans, Paris was saved from being captured by pushing back the Germans, but later Germans captured large territory in the industrial northeast of France. - 
  
  
        Poison gas was used by the Germans and the British wanted to secure army supplies and English ports. - 
  
  
        Germany sunk the enemy ship that was carrying equipment. - 
  
  
        The Germans used total war to destroy french morale. - 
  
  
        Germans wanted to reduce the "Royal Navy" which they then ambushed the British Grand Fleet in the north sea. - 
  
  
        The British launched an attack in the Somme River area to pull the German troops away from Verdun. - 
  
  
        The Russians launched a new offensive on the western front and lost 800,000 troops, they withdrew from the war which led to no eastern front. - 
  
  
        They had unlimited u-boat warfare and the Zimmerman telegram helped persuade the U.S. into joining the war. - 
  
  
        The treaty was created for the war to end and for Germany and the central powers to take the blame for WWI. - 
  
  
        Europe was devasted after WWI, with extreme damage leading to millions of dollars in repair, and damaged infrastructure, allies wanted payback, and they couldn't maintain or control colonies. - 
  
  
        The armistice was an agreement that put the war at pause on the western front until permanent peace was discussed between the Allies and Germany. - 
  
  
        Germany agreed to pay for ALL the damage caused by their armies which came down to £6,600 million, with that much due they made their last payment in 2010.