Judicial review is the power to confirm the nomination of federal justices

Which of the following is the best definition of federalism?

a. A constitutional arrangement by which two or more levels of government share formal authority over the same area and people. b. A constitutional arrangement concentrating power in a central government. c. A loose association of states constitutionally created by a strong central government. d. A loose association of states with mutually recognized compacts but no central government.

If a Federal Circuit Court declares a law unconstitutional, the ruling applies

A. ?only to that specific case. B. only within that court's jurisdiction. C. only at the federal level. D. ?only at the state level. E. ?to all applications of the law in the entire country.