What were three examples of rising tension between Northern and Southern states before the Civil War?
A. Fort Sumter, the Lincoln Douglass Debates and the Louisiana Purchase.
B. The Underground Railroad, Andrew Jackson, and the Tail of Tears.
C. The Lincoln Douglass Debates, John Brown Raiding the Harpers Ferry Armory and the Fugitive Slave Act.
D. Fort Sumter, The Cotton Gin and the Fugitive Slave Act.
E. The Cotton Gin, the Trail of Tears, and the 3/5ths compromise.