What Was the Effect of Congressional Reconstruction

What was the effect of Congressional Reconstruction?

A) It made equal rights for women much less likely in the future.
B) It created the constitutional foundation for further advances in civil rights.
C) It created true racial equality and substantial economic opportunities for African Americans.
D) It was, at the end of the period, a movement southern Democrats supported.
E) It racially integrated southern cities and increased spending for schools for years after.