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The Missouri Crisis (red)
The dispute of if Missouri should be a free or slave state. Ended in the Missouri Compromise. Increased tension because anti and pro-slavery believers disputed. -
Missouri Compromise of 1820 (blue)
The Missouri Compromise, devised by Henry Clay, regulated slavery by prohibiting it north of the parallel 36 30' north, except in Missouri. Decreased tension because it was a compromise. -
William Garrison Publishes The Liberator (red)
William Garrison's writings about why slavery should be abolished. Helped form the England Anti-Slavery Society. -
Nat Turner's Slave Revolt (red)
A slave revolt in Virginia that was led by Nat Turner. The rebel slaves killed about 60 people. -
Texas Annexation of 1844 (red)
Texas became the 28th state of the Union. President Tyler signed this bill. Increased tension because it brought up the question of if slavery should be there. -
The Wilmot Proviso (red)
Designed to eliminate slavery in the land acquired during the Mexican War. Made the supporters of slavery mad. -
Compromise of 1850 (blue)
Decided between free and slave states. Regarded the territories acquired during the Mexican-American War. California is made a free state. This over turned the Missouri Compromise. It decreased tension because it was a compromise. -
Fugitive Slave Law (blue)
A law forcing all US citizens to return runaway enslaved Africans, regardless of the legality of slavery in their state. It was part of the Compromise of 1850. It decreased tension because it was a compromise. -
Underground Railroad (red)
A network of secret routes that were used to free slaves. The slaves were escaping to free states and Canada. Increased tensions because slave owners were losing slaves. -
Uncle Tom's Cabin (red)
Described the horrors of slavery. Helped people realize how bad slavery is, which increased tensions between the North and the South. -
Uncle Tom's Cabin (red)
Described the horrors of slavery. Helped people realize how bad slavery is, which increased tensions between the North and the South. -
Formation of the Republican Party 1854 (red)
This new party was opposed to the expansion of slavery into the new territories. This caused tension between the opposing democratic party and the North and the South. -
Kansas-Nebraska Act (red)
Dispute between anti and pro slavery believers (Kansas and Nebraska). They decided that the two states had the right to choose if they were a free or slave state. This caused tension because it went against the Missouri Compromise. -
Bleeding Kansas (red)
These Border Wars were a series of violent acts in the United States involving anti-slavery and pro-slavery believers in Kansas between 1854 and 1861. Multiple people were killed. Possibly the first act of the Civil War. -
Dred Scott Supreme Court Decision (red)
If born in the US, you were free. Owners could take their slaves into the Western Territories. -
Lincoln Douglas Debates (red)
A series of debates between Lincoln and Douglas about slavery and the extension of it into territories such as Kansas. Increased tensions because pro and anti-slavery believers began arguing over this topic. -
John Brown's Raid at Harper's Ferry (red)
John Brown attempted to initiate an armed slave revolt. He tried to take over a US arsenal at Harper's Ferry, Virginia. Increased tension because slaves were revolting against their owners. -
Election of 1860 (red)
Abraham Lincoln won this election against Breckenridge. This angered the South because they would have to secede because he was going to ban slavery.
