Who was the ex-slave who led black abolitionists during the antebellum period?

A) Frederick Douglass
B) Louisiana Tubman
C) Samuel Fleming
D) Thomas Supten

Frederick Douglass was an ex-slave who became a powerful advocate for the abolition of slavery. He worked with other black abolitionists during the antebellum period, including Sojourner Truth and William Wells Brown. Douglass' powerful speeches and writings helped to galvanize the anti-slavery movement and bring attention to the brutality of slavery.