Which of the following scenarios best illustrates the concept of a case being decided based on precedent? A) The Supreme Court bases its decision in a case involving the commerce clause on one of its earlier decisions involving the commerce clause.
B) The Supreme Court overturns a lower court decision in a case dealing with voter identification laws.
C) A state passes a law which contradicts federal law, causing the Supreme Court to rule in favor of the federal government.
D) The chief justice of the Supreme Court disagrees with the majority of the other justices and decides to declare a law passed by Congress as unconstitutional.