Answer:
C. the abolition of slavery
Explanation:
Frederick Douglass, William Lloyd Garrison, and Susan B. Anthony were instrumental in the struggle against slavey in America.
- Frederick Douglass was an escaped slave who rose to prominence as a prominent abolitionist and the first African American to hold a government post under the mandates of the Fourteenth Amendment.
- Harriet Beecher Stowe was the author of the famous book called Uncle Tom’s Cabin, which painted a grim picture of life in slavery and contributed a lot in changing the attitude of the society towards this system.
- William Lloyd Garrison was another black abolitionist well known for the paper he launched called the Liberator, a paper that advocated for the abolition of slavery and the freeing of the slaves.
Therefore, the correct answer choice is C.