Uncle Tom's Cabin
Let the people of the territories themselves decide whether slavery would be permitted.
Compromise of 1850
It required that all escaped slaves, upon capture, be returned to their masters and that officials and citizens of free states had to cooperate.
Sectionalism
loyalty to one's own region or section of the country, rather than to the country as a whole
It allowed people in the territories of Kansas and Nebraska to decide for themselves whether or not to allow slavery within their borders.
Kansas-Nebraska Act
Fugitive Slave Law
Popular Sovereignty
California entered as a free state
Novel written by Harriet Beecher Stowe that showed the horrors of slavery.