Key Figure in the Abolitionist Movement

During the mid-19th century, a significant social movement arose in the United States advocating for the emancipation of enslaved individuals and the promotion of racial equality. This movement was known as the abolitionist movement. Advocates for abolition used various means to express their views, including literature, public speaking, and organizing societies.

Which of the following individuals is BEST known for their efforts in the abolitionist movement?