was an abolitionist. He helped to draft 14th Amendment. He was a Radical
Republican and he proposed Andrew Johnson's impeachment.

A) Frederick Douglass
B) Blanche K. Bruce
C) Hiram Revels
D) Thaddeus Stevens

D) Thaddeus Stevens

Explanation:

Thaddeus Stevens, a member of the U.S. House of Representatives during Abraham Lincoln's presidency, fought to abolish slavery and helped draft the 14th Amendment during Reconstruction.

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