Sectionalism divided the nation in two, the north and the south. These two factions had different economic values, different cultures, and different ideas on the government. These differences caused for the two to become opposites in almost every way, never agreeing on anything.
Fugitive Slave Act
The Kansas-Nebraska Act opened lands along the 36° 30' line to popular sovereignty in order to emit Nebraska as a free state for a railroad extension. This lead to fear and hostility as this disobeyed the Missouri Compromise. Not only split lands, but split the Whig Party into two completely different halves.
Uncle Tom's Cabin was a novel that illustrated the suffering and pain a slave endures in the United States. The book sold 400,000 copies spreading the information around the country. The author was told by Abraham Linocln that she was a little lady who started a big war.
Lincoln Douglas Debates
The Fugitive Slave Act was an act that allowed for the south to be happy from the Compromise of 1850. The act ended up enslaving many innocent and free african-amerians. This angered many northerners and abolitionist sealing separation.
Bleeding Kansas was a period in which settlers, proslavery and antislavery, where fighting each other. The conflict resulted in hundreds of people wounded or dead. The internal civil war left the country scared of a larger one.
The Lincoln Douglas Debates were a series of debates that were the first to publicize a political member against slavery. After Lincoln disclosed the information he lost many supporters and ultimately lost to Stephen Douglas. The debates made Lincoln come to fame, and the south stated they would succeed if Lincoln came to power.