Answer: A. people who demanded the emancipation of slaves
Step-by-step explanation:The term abolitionist referred to anti-slavery movements that fought to promote several solutions for the slavery problem, such as send African Americans back to Africa, give them the process of emancipation, and immediate abolition of slavery. Famous abolitionists such as white Massachusetts activist named William Lloyd Garrison and evangelical Christians made up the vanguard of the abolitionist crusade.