This picture represents the kind of 20th century discrimination that was to be eliminated by D. the Civil Rights Act of 1964, which banned discrimination based on race, color, religion, sex, or national origin.
Jim Crow laws enforced segregation, they didn't eliminate it. The 13th Amendment was in the 19th century, so B isn't the correct answer either. C gave everybody (who's at least 18) the right to vote.
