Sectional tension increased during the mid 19th century bringing America into a civil war. There were a few important factors that helped to increase tensions in both the North and the South. Some of these factors were the Anti-Slavery movement, Kansas-Nebraska Act, the Fugitive Slave Law, John Brown’s raid at Harpers Ferry, Uncle Tom’s Cabin, and the election of Abraham Lincoln into Presidency. There were quite a few events that caused tensions in the North. The anti-slavery movement greatly influenced the north’s feelings toward slavery. Writers like William Lloyd Garrison, Frederick Douglass, and Harriet Beecher Stowe wrote on the topic