Abolitionists were individuals and groups who sought to end the practice of slavery, particularly in the United States during the 19th century. They believed that slavery was morally wrong and fought for the rights and freedom of enslaved people. Abolitionists used various methods, including writing, speeches, and organizing protests, to raise awareness and advocate for change. Key figures among the abolitionists included Frederick Douglass, a former enslaved person who became a powerful speaker and writer, and Harriet Tubman, who helped many enslaved individuals escape through the Underground Railroad. Their efforts contributed to the growing movement that ultimately led to the abolition of slavery with the passage of the 13th Amendment in 1865.