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he mechanical reaper was invented by Cyrus McCormick in 1831
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He built his first oil refinery near Cleveland and in 1870 incorporated the Standard Oil Company.
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The war began when the Confederates bombarded Union soldiers at Fort Sumter, South Carolina on April 12, 1861
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Signed into law by President Abraham Lincoln on May 20, 1862, the Homestead Act
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The war ended in Spring, 1865. Robert E. Lee surrendered the last major Confederate army to Ulysses S. Grant at Appomattox Courthouse
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Carnegie co-founded his first steel company, near Pittsburgh. Over the next few decades, he created a steel empire, maximizing profits and minimizing inefficiencies through ownership of factories, raw materials and transportation infrastructure involved in steel making.
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Alexander Graham Bell was a Scottish-born scientist and inventor best known for inventing the first working telephone
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Meant to curb the influx of Chinese immigrants to the United States
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Ellis Island officially opened as an immigration station
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Boston built the first subway in the United States
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was drafted and passed in the House of Representatives in Federal Parliament
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made four brief flights at Kitty Hawk with their first powered aircraft.
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installs the first moving assembly line for the mass production of an entire automobile.
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