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The first successful sewing machine that was patented was created in 1846 by Elias Howe.
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The refrigerator allowed people to store and keep their food cold.
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Tap water and plumbing allowed water to run so they could wash their hands and it makes the homes more sanitary.
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The tractor allowed farmers to do farm work more easily.
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The vacuum cleaner allowed cleaning to be much more efficient.
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The introduction of the automobile had a huge impact in the 20th century.
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Henry Ford created the assmebly line between 1908 and 1915.
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The 18th amendment, which prohibitited the manufacture, sale, and transportation of alcohol, was ratified on January 16, 1919. This amendment came into effect on January 16, 1920.
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On July 27, 1919 in Chicago there were dozens of race riots that killed and injured hundreds of people. This riot was considered the worst riot to ever happen in Illinois.
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1,100 police officers, almost three fourths of the cities force, went on strike on September 9, 1919. The people of Boston took advantage of the smaller police force and started rioting.
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The most ambitious raids of the Palmer Raids began on January 2, 1920.
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The Klu Klux Klan would burn a cross to scare people.
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The KKK would put on a white mask with two holes for the eyes and one hole for the mask. They woud go around to houses and act like they were a ghost to try and scare them.
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Women gain suffrage in 1920.
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Bessie Coleman was the first African American woman to have a pilots license.
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In 1921 a restriction was put on immigrants coming to America. Only 350,000 immigrants were allowed to come into America a year.
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The National Origins act was passed in 1924.
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In 1924 the government would not allow any Asians to come into the United States.
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The Harlem Renaissance made a huge impact on the role of African Americans. It let African Americans express themselves.
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Nellie Tayloe Ross was the first woman governor of the United States. She was inaugurated on January 5, 1925.
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On December 5, 1933, the 21st amendment was passed which repealed the 18th amendment and allowed the sale and manufacture of alcohol.
