Answer:
B. Exclusively free people of color,
Explanation:
1. Northern Advantage
2. Southern advantage
3. Cotton gin
4. Stephen Douglas
5. Jefferson Davis
6. Richmond
7. Harriet Tubman
8. South Carolina
9. John Wilkes Booth
10. 13th amandement
11. Fort Sumter
12. Appomattox Courthouse
Are you in flvs lol, I remember doing this question like a month ago haha but i need the answer choices to help you
1b) The Níger river is important because it helped the grow their crops and control trade on the river.