Answer:
The Compromise of 1877
Explanation:
The Compromise of 1877 affected the political participation of African Americans because the military, which had protected African American rights, was removed from the South.
The Compromise of 1877 is often referred to as The End of Reconstruction because it ended the Reconstruction Era set up by the previous government, starting from Abraham Lincoln.
The Compromise of 1877 led to the end of federal action in southern affairs, which ultimately caused the extensive disenfranchisement of blacks voters. Eventually, Jim Crow laws were enacted in the Southern states by their legislatures.