Since the mid-1970s, which of the following sectors of the Texas economy has grown the most rapidly?

The U.S. lags behind most other nations in electoral participation and has

a. more than one-fourth of its eligible voters not even registered. b. three-fourths of its eligible voters not even registered. c. 100 percent of its eligible voters registered. d. only 10 percent of its registered voters casting votes. e. voter turnout that usually exceeds the 70 percent mark.

The separate-but-equal doctrine was established by the Supreme Court's decision in

a. Sweatt v. Painter. b. Aguilar v. Texas. c. Plessy v. Ferguson. d. Pointer v. Texas. e. Brown v. Board of Education.