Why was Marbury v. Madison important to the judicial branch of government? 1-Marbury v. Madison established the principle of judicial review, giving the Supreme Court the power to determine if laws are constitutional.
2-Marbury v. Madison allowed the Supreme Court to use the military to implement laws if the president refused.
3-Marbury v. Madison changed the size of the Supreme Court, making it an odd number so there would not be a tie during a vote.
4-Marbury v. Madison set a method for deciding the validity of treaties with foreign powers.