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The Wilmot Proviso was issued on August 8th, 1846.It prohibited the expansion of slavery into any territory acquired by the United States from Mexico as a result of the Mexican-American War settlement.

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a controversial political doctrine according to which the people of federal territories should decide for themselves whether their territories would enter the Union as free or slave states.

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The Compromise of 1850 consists of five laws passed in September of 1850 that dealt with the issue of slavery and territorial expansion. the Fugitive Slave Act was amended and the slave trade in Washington, D.C., was abolished.

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Passed on September 18, 1850 by Congress, The Fugitive Slave Act of 1850 was part of the Compromise of 1850. The act required that slaves be returned to their owners, even if they were in a free state

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The Kansas-Nebraska Act was passed by the U.S. Congress on May 30, 1854. It allowed people in the territories of Kansas and Nebraska to decide for themselves whether or not to allow slavery within their borders

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was a series of violent civil confrontations in Kansas Territory, United States, between 1854 and 1859.emerged from a political and ideological debate over the legality of slavery in the proposed state of Kansas.

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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

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The Lincoln–Douglas debates were a series of seven debates between Abraham Lincoln, the Republican Party candidate and Senator Stephen Douglas, the Democratic Party candidate

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Harpers Ferry is a town in West Virginia. It was a key site in an 1859 abolitionist raid.

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It was held on Tuesday, November 6, 1860. In a four-way contest, the Republican Party of Abraham Lincoln and Hannibal Hamlin emerged triumphant.

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Fort Sumter is a sea fort in Charleston, South Carolina, notable for two battles, the first of which began the American Civil War. combining high walls and heavy masonry, and classified as Third System, as a grade of structural integrity.