Which of the following is violative of equal protection? A. a law requiring a pe

Which of the following is violative of equal protection? A. a law requiring a person to be 21 yearsold to buy or consume beer or liquor B. rule requiring a person applying for abar examination to have graduated law school C. a law requiring a person to be 17 yearsold to obtain a drivers license D. a law requiring a city police force tobe at least 40% female