What impact did the 15th Amendment to the Constitution have on the African American population? A The Ku Klux Klan was forced to end its violence towards people of color that were attempting to vote. B Male citizens of all races were able to cast their vote in public elections allowing for more men of color to represent the needs of their voters. C African American men and women began to practice their new gained freedoms and used their right to vote to elect several females into political office. D Slavery and involuntary servitude was made illegal within the United States and these newly freedmen were granted citizenship.