1. Chapter 15: A Divided Nation

2. Popular sovereignty:
The idea that political authority belongs to the people.

3. Sectionalism:
A devotion to the interests of one geographic region over the country as a whole.

4. Harriet Beecher Stowe:
she was an abolitionist and author of the famous anti-slavery novel, Uncle Tom’s Cabin.

5. Stephen Douglas:
American politician and pro-slavery nominee for president , he debated Abraham Lincoln about slavery during the Illinois senatorial race.

6. Dred Scott:
Enslaved African who filed suit for his freedom stating that his time living in a free state made him a free man; the Supreme Court ruling known as the Dred Scott decision upheld slavery and found Missouri Compromise unconstitutional.

7. Abraham Lincoln:
Sixteenth president of the United States, he promoted equal rights for African-Americans in the Lincoln- Douglas debates. His election set in motion the Civil War and issued the Emancipation Proclamation. He was determined to preserve the Union.

8. John Brown’s raid:
An incident in which abolitionist John Brown and 21 other men captured a federal arsenal in Harper’s Ferry, Virginia, in hope of starting a slave revolt.

9. Secession:
The act of formally withdrawing from the Union.

10. Confederate States of America:
The nation formed by the southern states when they seceded from the Union; also known as the Confederacy.

11. Jefferson Davis:
First and only president of the Confederate States of America.