Answer: The 13th, 14th, and 15th Amendments, known collectively as the Civil War Amendments, were designed to ensure equality for recently emancipated slaves. The 13th Amendment banned slavery and all involuntary servitude, except in the case of punishment for a crime.
You can see in both maps that in the South, the blue to red ratio is extremely uneven, as the red takes the majority. There is an overwhelming amount of red compared to blue which gives you the impression that the republicans won the southern states
