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The answer is the federal government pulled out troops from the South at the end of Reconstruction, leaving African Americans unprotected:)
The federal government pulled out troops from the South at the end of Reconstruction, leaving African Americans unprotected describes the federal government’s response to racial violence in the South in the late 1800s.
The reconstruction period allowed states of the south to have proper implementation of serval rights such as equality and education for African Americans and enslaved people through federal support.
However, during 1877, the federal had withdrawn its troops when the reconstruction period ended. It leads to the failure of all reconstruction for African Americans due to violence by white southern Democrats.
Learn more about racial violence against African Americans here:
https://brainly.com/question/8979048