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Theodore Roosevelt became the 26th President of the United States.
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President William McKinley is assassinated by the anarchist, Leon Czolgosz, which caused Theodore Roosevelt to become president.
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Theodore Roosevelt sent naval units to ensure Panama's independence from Colombia. Doing this made sure that that a canal could be built in Panama later.
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J. P. Morgan forms United States Steel from the merger of eight other companies, creating the largest steel corporation in America
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The Socialist Party of America was formed by Eugene Debs.
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The Women's Trade Union League was formed to campaign for better working and voting rights for women across America.
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Theodore Roosevelt passed the Hepburn Act, which allowed the Interstate Commerce Commission to regulate the rates and practices of the railroads.
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William Taft became the 27th President of the United States.
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The Triangle Shirtwaist factory caught on fire, killing 146 workers.This tragedy helped to start reforms in factory work.
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Woodrow Wilson became the 28th President of the United States
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The Lusitania, was sunk by German submarines. This attack made Americans angry, which in turn caused America to join the war
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Black-Rights activist, Booker T. Washington dies.
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Germany resumed unrestricted submarine warfare to prevent supplies reaching Allied armies. This became one of the major influencing factors for America entering of the War.
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The United States declares war on Germany, entering World War I.
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The Central and Allied powers signed the Treaty of Versailles, ending the First World War.
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The 19th Amendment was passed, giving women the right to vote in elections.
