What was the significance of the Supreme Court case Marbury v. Madison and how did it establish the power of judicial review to overturn unconstitutional laws?

The Supreme Court case Marbury v. Madison was significant because it established the power of judicial review. This means that the Supreme Court has the authority to review laws passed by Congress and the President to determine if they are unconstitutional. In this case, the Court ruled that it had the power to overturn laws that were found to be unconstitutional, setting a precedent for future cases.