Here are the correct matches for the definitions provided:
- senator from Illinois who introduced the Kansas-Nebraska Act 1854: a. Stephen Douglas
- senator who proposed the Compromise of 1850: e. Henry Clay
- wrote Uncle Tom’s Cabin, causing many whites to question slavery: i. Harriet Beecher Stowe
- abolitionist who planned for a slave revolt: c. John Brown
- responsible for leading slaves to freedom from the South: d. Harriet Tubman
- as president, he did nothing as states seceded from the Union: j. James Buchanan
- senator from Mississippi who was elected president of the Confederacy: f. Jefferson Davis
- wrote the decision that Congress could not ban slavery in the territories: g. Roger Taney
- senator who declared the South would not give up its liberty to save the union during a debate in 1850: b. John C. Calhoun
- sued for his freedom, leading to a Supreme Court decision that declared slaves were property and they could be taken into any free U.S. territory: h. Dred Scott