Final answer:
After the Civil War, African American males were granted voting rights through the Fifteenth Amendment.
Step-by-step explanation:
After the Civil War, voting rights were extended to African American males in the Fifteenth Amendment. The Fifteenth Amendment, ratified in 1870, prohibited the denial of the right to vote based on race, color, or previous condition of servitude. It was a significant step towards addressing the racial inequality and ensuring political participation for African Americans.
Learn more about Voting rights after the Civil War