Answer:
i forget the answer sorry
There are several reasons why the role of the federal government in civil rights enforcement changed, but the main one is that southern states were not enforcing federal laws.
I believe the answer is The Fireside Chats.
The Three-Fifths Clause was one of the many compromises delegates worked out during the Constitutional Convention in 1787. It struck a balance between large slave states in the South and smaller northern states that had abolished slavery. It restricted, but not eliminated, the apportioned congressional representation of slave states by limiting the Census to counting slaves as only three-fifths of a person