The United States government is made up of three main branches: the legislative, the executive, and the judiciary. In the context of this essay the judicial branch will be examined. The judicial branch of the United States government oversees justice throughout the country by making and enforcing laws through a court system.1 This system works by reviewing and determining the legality of such cases.2 Sitting at the top of the United States justice system It's the Supreme Court. The Supreme Court of the United States comprises the federal judiciary, explicitly the judicial branch. This court is composed of life-serving justices, selected by the President of the United States and approved by the Senate.3 Cooperatively, the Supreme Court, the President, and Congress attempt to work in concert to administer tripartite government. of the United States. In transition, the United States Supreme Court has acquired numerous powers over the years. However, one power in particular is of great importance: judicial review. Judicial review is the power of the judiciary to evaluate the legality of actions of the legislative and executive branches of government, as well as the states.4 Accordingly, the federal judiciary determines the validity of such actions established by the United States Constitution. In short, judicial review allows the court to determine whether or not legislation passed by the government follows the guidelines of the United States Constitution. With this in mind, judicial review proves to be an example of the separation of powers in the United States government. Going forward, it is the intention of this essay to explain specific issues regarding judicial review. By the middle of the document the concept of checks and balances in the US government would be out of sync. Furthermore, the judiciary, despite the power of judicial review, is still seen by many as the weakest branch of government. The federal judiciary cannot truly act, but can simply judge. However, as seen in the past, judicial review has value within the U.S. government. Finally, despite the fact that judicial review can prevail even over the decisions of elected officials, it is not an unsurpassable biblical power of the judiciary, i.e. it can be opposed by the President and Congress. In conclusion, judicial review, whether praised by heaven or cursed by the devil, is an existing power of the federal judiciary and will continue to have a profound effect on the government of the United States and its people for generations to come..