which event resulted in the expanded protections for the civil rights of african americans in the south?

The Emancipation Proclamation

Explanation:

The Emancipation Proclamation was the event that resulted in the expanded protections for the civil rights of African Americans in the south. This proclamation freed the slaves in rebel states and eventually the 13th amendment came around. This ruled that slavery was no longer allowed.

probally   a few days after there called