The correct response is:
After the Compromise, northern troops were removed from the South, which left African Americans with no legal protections.
The Compromise of 1877 effectively ended Reconstruction by withdrawing federal troops from the South, leading to the dismantling of the mechanisms that had been put in place to protect the rights of African Americans. This absence of federal enforcement allowed Southern states to implement Jim Crow laws, which institutionalized racial segregation and disenfranchised Black citizens.