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No slaves could be imported and all children born after the amendment would be free, causing Missouri to be a free state. This lead to conflict with the people who wanted slaves later on.

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To balance out the power between free and slave states, Missouri became a slave state and Maine became a free state.

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Texas was admitted as part of the Union, as the 28th state.

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It was a failed plan to ban slavery in the new lands gained from the Mexican after the Mexican-American war.

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Senator Henry Clay made answers to the problems between the North and the South to prevent war.

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Uncle Tom’s Cabin is published (Mar. 20, 1852)

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Uncle Tom’s Cabin is published (Mar. 20, 1852)

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A novel made by Harriet Beecher about anti-slavery, was very popular in the North but not so much in the South.

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It was a law that repealed the Missouri compromise and caused a uprising known as "bleeding Kansas".

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It caused the Missouri Compromise to become unconstitutional and gave the Congress no power to abolish slavery.

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John Brown’s raid – Harpers Ferry (Oct. 16-18, 1859)

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John Brown’s raid – Harpers Ferry (Oct. 16-18, 1859)

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John Brown took 21 armed men and stormed Harpers Ferry to try and abolish slavery.

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Lincoln is elected President (Nov. 6, 1860)

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Lincoln is elected President (Nov. 6, 1860)

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Lincoln was elected as president. This made many Southerners mad because he opposed slavery.

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Raid on Lawrence, Kansas / Bleeding Kansas (Aug. 21, 1863)

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Raid on Lawrence, Kansas / Bleeding Kansas (Aug. 21, 1863)

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William Quantrills rode into Lawrence Kansas one night and killed between 160-190 men and boys. This took place right at the border.