Final answer:
Frederick Douglass, Harriet Tubman, and Sojourner Truth were important figures in the abolition movement.
Step-by-step explanation:
The three people on this list who were important in the abolition movement are Frederick Douglass, Harriet Tubman, and Sojourner Truth. Frederick Douglass was an author, orator, and abolitionist who played a leading role in the movement. Harriet Tubman, also known as the 'Moses of her people,' helped free enslaved individuals through the Underground Railroad. Sojourner Truth was an African American abolitionist and women's rights activist.