While the legislative branch points to its lawmaking ability and the executive branch shows its influence in emergency power, the judicial branch exercises judicial review. The judicial review comes from the case Marbury v. Madison (1803). Are they using the case? How is judicial review created from opinion? What are the issues in the case, and how are they resolved? What is a writ of mandamus? Doesn't the writ increase judicial power? Explain how judicial review is arguably the most powerful tool for any branch of government.