D. Soujourner Truth. Sojourner Truth was an African-American abolitionist and women's rights activist. She was the first black woman to win a case in court against a white man. During the Civil War, she helped recruit black troops for the Union Army. Her historic speech for women's rights "Ain't I a Woman" became very famous and she continued to make very famous lectures and speeches across the country. She also was against prison reform and capital punishment and spoke to Ulysses S. Grant, the current president, about it.