18.1
Wilmot Proviso
sectionalism
popular sovereignty
free-soil party
Compromise of 1850
Henry Clay
William Seward/John C. Calhoun
Daniel Webster
Fugitive Slave Act
Harriet Beecher Stowe
Uncle Tom's Cabin
18.2
Franklin Pierce
Millard Fillmore/Zachary Taylor
Stephen Douglas
Kansas-Nebraska Act
Bleeding Kansas
Pottawatomie Massacre
Charles Sumner
Andrew Pickens Butler
Preston Brooks
18.3
Republican Party
James Buchanan
John C. Fremont
Dred Scott (Decision)
Roger B. Taney
Abraham Lincoln
Lincoln-Douglas Debates
Freeport Doctrine
18.4
John Brown
Harper's Ferry
Colonel Robert E. Lee
1860 Election
John C. Breckinridge
Constitutional Union Party
John Bell
secession
John C. Crittenden
Confederate States of America
Jefferson Davis
