What was the longest lasting victory for civil rights achieved during Reconstruction?

A
.

passage of Black Codes and Jim Crow laws in the South
B.

establishment of a strong two-party political system in the South
C.

ratification of the Thirteenth, Fourteenth, and Fifteenth Amendments
D.

increased prominence given to the office of the president of the United States

1 answer

C.

ratification of the Thirteenth, Fourteenth, and Fifteenth Amendments