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urbanization began in american
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cornelius vanderbilt became a railroad tycoon
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invention of the mechanical reaper
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John D. rockefeller created his an oil company
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J.P. Morgan became a robber baron in banking
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beginning of the civil war
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homestead act
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end of the civil war
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chinese workers helped build the transcontinental railroad
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Alexander graham bell invented the telephone
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Thomas Edison invented the light bulb
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Chinese exclusion act passed
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andrew carnegie created a steel company
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first subway system created
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the wright brothers invented the airplane
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immigration restriction act passed
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henry ford developed the assembly line
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ellis island opend
