Why is Marbury vs Madison considered the best court?

Answer: Marbury v. Madison is significant as it defined the powers of judicial review for the United States. Supreme Court and lower federal courts with regard to the Constitution and, eventually, parallel state courts with regard to state constitutions.

Marbury v. Madison is important because it established the power of judicial review for the U. S. Supreme Court and lower federal courts with respect to the Constitution and eventually for parallel state courts with respect for the others.