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Missouri Compromise
The Missouri Compromise of 1820 drew a line across the Louisiana Territory that separated free and slave territories. -
Mexican-American War
In 1845, the U.S annexed Texas. In 1846, a dispute over the border between Texas and Mexico Sparked the Mexican- American War. -
The Compromise of 1850
The Compromise of 1850 allowed California to enter as a free state, while other new territories decided the issue of slavery through podular sovereignty. https://www.history.com/topics/abolitionist-movement/compromise-of-1850 -
Kansas-Nebraska Act
The Kansas- Nebraska Act allowed popular sovereignty in Kansas and Nebraska, causing proslavery and antislavery settlers to flock to Kansas. http://www.ushistory.org/us/31a.asp -
John Brown’s raid
John Brown leads a small group on a raid against a federal armory in Harpers Ferry, Virginia (now West Virginia), in an attempt to start an armed slave revolt and destroy the institution of slavery. https://www.history.com/this-day-in-history/john-browns-raid-on-harpers-ferry
