How Jim Crow-Era Laws Suppressed the African American Vote for Generations In the wake of the passage of the 15th Amendment and Reconstruction, several southern states enacted laws that restricted Black Americans' access to voting. Author: Black men voting in 1868./Credit: Corbis/Getty Images In the wake of the passage of the 15th Amendment and Reconstruction, several southern states enacted laws that restricted Black Americans' access to voting. Following the ratification in 1870 of the 15 th Amendment, which barred states from depriving citizens the right to vote based on race, southern sta...