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  Slaves first brought to America and sold as servants.
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  Colonies separate from Britain.
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  Britain transforms culturally and technologically, sparking the industrial era.
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  Slave trade becomes illegal in the US.
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  America removes European influence in American affairs.
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  350 people found the city of Chicago
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  Britain limits the amount of hours women and children can work to ten hours.
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  People rush to California in search of gold.
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  Los Angles becomes nationally recognized as a city.
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  First trans-atlantic cable is fully constructed.
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  13th amendment prohibits slavery in the United States.