Why is frederick douglass significant in american history

He was born a slave, escaped slavery at 20 years of age and wrote 3 autobiographies about slavery.

He was born a slave and ecasped at age 20. He was a prominent American abolitionist, author and orator. He became a world-renowned anti slavery activist. In thousands of speeches and editorials, he levied a powerful indictment against slavery and racism,provided an indomitable voice of hope for his people, embraced antislavery politics and preached his own brand of american ideals.

Ibelieve it is

Its is d. because i did it