The voting pattern of them changed because the party continued to represent anti-slavery views so they changed to Republican Party.
Explanation:
The main cause of the civil war was due to the African Americans and the slavery upon them. But even after the war the slavery continued in the southern state. Though the southern states had great wealth they were tied upon to the slave.
The Americans even after the war were not able to treat the blacks equally to them they always considered them as inferior. People were ill-treated and were brutally attacked if they refused to work as slaves. The white’s supremacy continued even after the war and this civil war failed to abolish slavery completely.
