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The Compromise of 1850 was a set of laws, passed in the midst of fierce wrangling between groups favoring slavery and groups opposing it, that attempted to give something to both sides. The compromise admitted California to the United States as a "free" (state but allowed some newly acquired territories to decide on slavery for themselves. Part of the Compromise included the Fugitive Slave Act, which proved highly unpopular in the North. Senator Henry Clay was a force behind the passage of the compromise.

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The fugitive Slave Act was a law passed in 1850 that made it legal to arrest runaway slaves anywhere in the United States. The slaves could be returned to their owners. A person who helped runaway slaves faced fines and jail time.

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'Uncle Tom's Cabin' Is Published , 1852 

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'Uncle Tom's Cabin' Is Published , 1852 

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Written by Harriet Beacher Stowe, Uncle Tom's Cabin was a fictional story about Slavery. The book displayed the evils of slavery which appealed to the emotions of the Northerners and aroused them against slavery as a moral evil. It also forced Southerners to defend their position on Slavery.

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The Kansas-Nebraska Act of 1854 created the territories of Kansas and Nebraska, opening new lands for settlement, and had the effect of repealing the Missouri Compromise of 1820 by allowing settlers in those territories to determine through Popular Sovereignty whether they would allow slavery within each territory

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A sequence of violent events involving abolitionists and pro-Slavery elements that took place in Kansas-Nebraska Territory. The dispute further strained the relations of the North and South, making civil war imminent.

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The Pottawatomie Massacre was when abolitionist John Brown and followers murdered 5 pro-slavery settlers in Kansas then mutilated their bodies to scare other slave supporters and to keep slavery supporters from moving into Kansas.

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A slave who sued for his freedom after his owner took him to Wisconsin where the Missouri Compromise banned slavery. The case made it to the Supreme Court which ruled that Dred Scott could not sue for his freedom because he was not a citizen. The court also ruled that African Americans could never become citizens and that the Missouri Compromise was unconstitutional since slaves were property.

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John Brown's Raid on Harper's Ferry, 1859

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John Brown's Raid on Harper's Ferry, 1859

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In 1859, a small group of men attacked the small town of Harper's Ferry in Virginia. They were intent on seizing weapons to give to slaves to start a rebellion. The group gained control of the arms but were surrounded by General Lee's men. 10 of the men were killed and the leader, John Brown, was captured and tried for treason. He was sentenced to death.

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Election where slavery was the central issue, Abraham Lincoln (Republican) won over John Breckinridge (Democrat), and John Bell (Constitutional Union Party). Lincoln won 40% of popular vote, but won a large majority of electoral votes. Lincoln's victory leads the South to secede.

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Following the Election of 1860, South Carolina secedes from the Union. Other states that followed include: Mississippi, Florida, Alabama, Georgia, Louisiana, Texas, Virginia, Arkansas, Tennessee and, North Carolina. Leaders from these states met to establish a unified government.