If a state supreme court decides a case based solely on state law, what impact can the U.S. Supreme Court have on the decision?
a) Nothing, as the U.S. Supreme Court can only rule on federal cases or constitutional questions
b) Declare the state law unconstitutional so that the case has to go back to lower state courts
C) Using the theory of stare decisis, change the decision to meet federal guidelines
d) Review the decision and use it as a precedent for federal cases
e) Overturn the case based on its own interpretation of state law
