Chiefly, it was the 15th Amendment.
But if you want to get into the specifics, the <u>Voting Rights Act of 1965</u> gave African Americans the legal means to challenge voting restrictions, which greatly improved voter turnout.
- Hope this helps.
They were both one of the many Indian Nations of Texas.
It might lead to an abuse of power.
1532 or 1535 hope this helps