A military action the added territory in the United States in 1848 was the Treaty of Guadalupe Hidalgo. It ended the Mexican-American war and added the territories California, Arizona, Colorado, New Mexico, Nevada, Utah, and Wyoming.
Answer:
The answers are,
1. Harriet Tubman
2. Civil disobedience
3. Tariffs
4. White men
5. Second Great Awakening
6. Abolitionist
7. Missouri Compromise
8. Fredrick Douglas
9. William Lloyd Garrison
10. Underground Rail Road
11. Andrew Jackson
12. A)
Explanation:
A
I have to typ more than 20 words