After the Civil War, three amendments to the Constitution civil rights for African Americans. Immediately following the war, African Americans exercised their rights. After Reconstruction ended, laws severely restricted the rights of African Americans, with states taking the lead in segregating many public facilities.

 expanded

; Jim Crow laws

;southern

Explanation:

After the Civil War, three amendments to the Constitution __Expanded civil rights for African Americans. Immediately following the war, African Americans exercised their rights. After Reconstruction ended, __Jim Crows laws severely restricted the rights of African Americans, with _ Southern states taking the lead in segregating many public facilities.

Jim Crow law, were laws that mandated racial segregation in the Southern U.S on local and state levels between the end of Reconstruction  and the beginning of the civil rights movement in late 19th and early 20th centuries.

i would say b probably

are there any options?