In what ways were the positive changes accomplished by reconstruction diminished over time?

Positive changes accomplished by Reconstruction were diminished over time because some people still refused to treat Blacks equally. This caused a difficulty in enforcing the new laws. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help. 

The way this small state - large state compromise guards against tyranny is that small states and large states have one note: i am sorry but i was not able to give you the full answer. but i got this answer from