1. wanted to establish an abolitionist republic = John Brown: he was against slavery and wanted to eradicate it
2. sued for his freedom = Dred Scott: he wanted to get his freedom in the court, but was unsuccessful
3. Underground Railroad = Harriet Tubman: established safe houses for escaped enslaved families
4. Clay's plan to end sectionalism = American Plan: they refused to negotiate with unions
5. surrender began Civil War = Fort Sumter: after this battle, numerous countries joined the Confederacy
6. won 1860 Presidential election = Abraham Lincoln
7. proslavery constitution in Kansas = Lecompton Fraud: written as a response to the anti-slavery resolutions