The period of Reconstruction following the American Civil War was marked by significant political and social changes, particularly regarding race relations.
As federal troops withdrew from the South and the Reconstruction Acts came to an end, various Southern states enacted laws that enforced racial segregation and discrimination against African Americans. This period saw the rise of organizations that resisted these changes and worked to re-establish white supremacy.
Which of the following events or developments is most directly associated with the end of the Reconstruction era?