Question: Which Reconstruction Era politician from namesake Pennsylvania county was known to fight against slavery and discrimination against African-Americans?
Sentence (from "Mattie J. Jackson"): She is known for her 1866 autobiography, "The Story of Mattie J. Jackson: Her Parentage, Experience of Eighteen Years in Slavery, Incidents During the War, Her Escape from Slavery: A True Story", which contributed to the national knowledge of African-American family life during slavery and the reconstruction era of the United States.
Relevant evidence: No