The abolitionist movement in America had a profound impact, leading to the eventual end of slavery and the establishment of civil rights for African Americans. Activists, including Frederick Douglass and Harriet Tubman, raised awareness about the moral and ethical injustices of slavery through writings, speeches, and petitions. The movement galvanized public opinion, culminating in the Civil War, which saw the Emancipation Proclamation in 1863 and the Thirteenth Amendment in 1865, formally abolishing slavery. The abolitionist movement laid the groundwork for subsequent civil rights efforts, underscoring the importance of equality and human rights in American society.