In the Case Avery V

In the case Avery v. Midland County, the U.S. Supreme Court held that

A) special districts had to be approved by the voters.
B) educational spending levels had to be roughly the same throughout the state.
C) the principle of "one person, one vote" applied to county commissioners' courts.
D) the practice of hanging was in violation of the Eighth Amendment.
E) some county governments in Texas were far too big, making them extremely powerful.