Answer:
The correct option is: B. the Fourteenth Amendment
Step-by-step explanation:
The Fourteenth Amendment is one of three Reconstruction Amendments to the United States Constitution.
This amendment grants citizenship and equal protection of laws to all the individuals born or naturalized in the U.S.
It establishes civil and legal rights for people of other nationality, color and race, including the African Americans.
It also terminates slavery and discrimination against the African Americans.