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1492
the discovery of america by Columbus
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the settlement of Jamestown
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the french and indian war
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the Boston tea party
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the battle of Lexington and concord
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the declaration of independence
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the battle of Yorktown
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the constitution covenant
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the alien and sedition acts
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the invention of the cotton gin
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the Louisianan purchase
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the war of 1812
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the Missouri compromise
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Andrew Jackson's election
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the invention of the telegraph
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the trail of tears
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the panic of 1837
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the Mexican-american
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the compromise of 1850
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the firing of fort sumter
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the organization of standard oil trust
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the emancipation proclamation
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Surrender at Appomattox Courthouse
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Abraham Lincoln’s Assassination
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the 13th amendment
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14th amendment
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Andrew Johnson's impeachment
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the 15th amendment
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The invention of the electric telephone
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the invention of the electric light
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the Pullman and homestead stokes
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the spanish- American war
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Theodore Roosevelt president
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the invention of electric airplane