U.S History
Main
end of war
1914 - 1918The armistice ends the war on November 11.
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the assassination of archduke Francis Ferdinand of Austria -Hungary
1914the United States remains neutral, his wife led to World War 1. 
German submarines sinks the lusitania
1915They had killed 128 Americans, not including the total amount of 1,200 people.
1916 Woodrow Wilson
1916Avoiding the war helps President Wilson win reelection.
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1917 The United states enters war
1917Due to pressure the united states is practically forced to join the war.
rejection of the treaty of versailles
1919the senate rejects the treaty of versailles.
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signing of peace treaty
1921the United States signs a peace treaty with Germany.
Cold War
1945 - 1991the war was started between communist and capitalist countries.
they had different points of views and some tried changing others into the opposite economic systems. one of the main parts happened in North and South Korea. it took place during 1945-1991. they did this to try and make the world a communist or a capitalist. http://t3.gstatic.com/images?q=tbn:ANd9GcRcbM_cmo6GrUa2_e3WuNhJZwDccvo7_YiiTsKGaY1aZqDr8PWs