The outcome of the Supreme Court case Marbury v. Madison defined the constitutionality of the

In Marbury v. Madison (1803), the Supreme Court ruled that it could review laws and determine whether they conflict with the Constitution. The Court found part of the Judiciary Act of 1789 unconstitutional, so the case defined the constitutionality of that act. The correct choice is the Judiciary Act of 1789.

AI-written and checked against the verified answer.