The abolitionist movement in the United States had both religious and ideological origins. It was influenced by evangelical Christianity, feminism, and novels like Uncle Tom's Cabin. Key figures included Bishop William Fleetwood, who denounced slavery, Theodore Dwight Weld and Denmark Vesey, who were early abolitionist crusaders. The movement gained momentum in the 1830s when women like Maria Miller Stewart, Sojourner Truth, and Harriet Tubman became involved in anti-slavery societies and the Underground Railroad. Harriet Beecher Stowe's 1852 novel Uncle Tom's Cabin, which sold over 300,000 copies in its first year, brought the harsh realities of slavery to many Americans and further propelled