Abolitionists and suffragettes. The sisters came from South Carolina plantation. Both sisters became abolitionists, and converted to the Quaker faith. In 1835, Angela wrote an anti-slavery letter to Abolitionist leader William Lloyd Garrison, who published it secretly, in, The Liberator. They were speakers at abolitionist meetings. In 1837, Angelina was invited to be the first woman to speak at the Massachusetts State Legislature. wrote "Letter on the Condition of Women and the Equality of the Sexes" (1837) - objecting to male opposition to their anti-slavery activities.