Which of the following actions violates the U.S. Constitution? A.In deciding a case, the U.S. Supreme Court decides not to follow prior U.S. Supreme Court case precedent B.In a state court trial, the plaintiff has the burden of proof C.A defendant appeals a court ruling to the U.S. Supreme Court, but the Supreme Court declines to accept review of this appeal D.None of the above actions violate the U.S. Constitution