What best explains the reason why codes like this were enacted in southern states?

Codes like Jim Crow laws were enacted in southern states primarily to enforce racial segregation and maintain white supremacy following the Civil War and Reconstruction era. These laws aimed to systematically disenfranchise African Americans, limit their rights, and uphold social and economic inequalities. By institutionalizing discrimination, southern states sought to reinforce the social order that had existed before the war, ensuring that white citizens retained political and economic control over the Black population.