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This was an effort by abolitionist- John Brown to initiate an armed slave revolt in 1859 by taking over a U.S. arsenal at Harpers Ferry, Virginia.

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This is a line that split up Maryland and Pennsylvania and also became the border for where slavery would be allowed.

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This is a nation formed by the southern states that they seeded from the Union; also known as the Confederacy.

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This act made it a crime to help slaves and allowed for the arrest of escaped slaves in areas where slavery was illegal.

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This states that the political power belongs to the people, they can decide on whether to allow slavery or ban slavery.

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Henry Clay's proposed agreement which allowed California to enter the union as a free state and divided the rest of the Mexican Cession into two territories where slavery would be decided by popular sovereignty.

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Sound Smart: Compromise of 1850 | History

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He was an Illinois lawyer that warned that a future court ruling would prohibit the banning of slavery.

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People who fought to end slavery.

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This is when Republican- Abe Lincoln and Democrat- Stephen Douglas challenged each other.

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Republican- Abe Lincoln defeated southern Democrat- John C. Breckinridge, Democrat- Stephen A. Douglas, and constitution union candidate- John Bell.

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This was the first slave state in the South to declare that it succeeded from the U.S..

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This was a legal case where the U.S. supreme court ruled that a slave (Dred Scott) whom resided in a free territory was not entitled to his freedom.

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This was an incident win which abolitionist, John Brown and seven other men murdered five pro-slavery Kansans.

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Video: The Pottawatomie Massacre | Watch American Experience Online | PBS Video

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This was a secret network for helping slaves escape from south to west by providing transportation and hiding.

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Video: Underground Railroad | Watch History Detectives Online | PBS Video

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This was a plan that would divide the remainder of the Louisiana Purchase into two territories- Kansas and Nebraska. This would also allow for the the people of these states to decided on whether slavery should be allowed within their borders.