Question

he fought for the 15th amendment of the united states constitution?
frederick douglass
robert e. lee
jefferson davis
abraham lincoln

Explanation:

Frederick Douglass was a prominent abolitionist who fought for the 15th Amendment, which granted African - American men the right to vote. Robert E. Lee was a Confederate general. Jefferson Davis was the president of the Confederate States of America. Abraham Lincoln was assassinated before the 15th Amendment was ratified.

Answer:

Frederick Douglass