PLEASE HELP: Research a prominent African American who lived during the 1800s. In a multi-paragraph essay, explain his or her achievements and historical importance. My prompt is:How did Frederick Douglass contribute to the abolitionist movement

Frederick Douglass rose to fame with the 1845 publication of his first book The Narrative of the Life of Frederick Douglass, An American Slave, Written By Himself. He fought throughout most of his career for the abolition of slavery and worked with notable abolitionists like William Lloyd Garrison and Gerrit Smith. He became a leader in the abolitionist movement, which sought to end the practice of slavery, before and during the Civil War. After that conflict and the Emancipation Proclamation of 1862, he continued to push for equality and human rights until his death in 1895. The first was Narrative of the Life of Frederick Douglass, an American Slave, was to attack and to contribute to the abolition of slavery in the United States, and his colleagues and acquaintances in the American Abolition movement, He did not prognosticate, before or after the U.S.