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Dred Scott was an enslaved African-American man in the United States who unsuccessfully sued for his freedom and that of his wife, Harriet Robinson Scott, and their two daughters in the Dred Scott v. Sandford case of 1857, popularly known as the "Dred Scott decision"
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In 1870 the 15th amendment was ratified and gave the right to vote to all males including african ammericans
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It connected the eastern and western coast which caused the economy to pick up and move faster.
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The war provided Great Britain enormous territorial gains in North America, but disputes over subsequent frontier policy and paying the war's expenses led to colonial discontent, and ultimately to the American Revolution.
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