Marbury v. madison is a court case from 1803 that confirms the principle of judicial review. why is this principle an important one in the american legal system?

judicial review is a way to protect a defendant’s right to appeal.
judicial review is a way to make sure that the state courts follow the laws decided by federal courts.
the principle is based on the belief that judges are always right when deciding cases.
the principle is a confirmation of the fact that federal law is the supreme law of the land.
the principle explains how laws are interpreted and practiced in both state and federal jurisdictions.