The life of every American citizen, whether they realize it or not, is influenced by a single entity: the Supreme Court of the United States. This part of the government ensures that the freedoms of the American people are protected by overseeing laws passed by Congress and actions taken by the president. Although the judiciary developed later than its counterparts, many of the powers exercised by the Supreme Court took years of deliberation to perfect. In the early years of the Supreme Court, one man's judgment influenced the powers of the court systems for years to come. John Marshall served as Chief Justice of the Supreme Court from 1801 to 1835, and as the only lasting Federalist influence in a new Democratic-Republican government, he and his fellow justices sought to perpetuate their Federalist principles in the United States judicial system . In one of the most memorable legal cases of all time – Marbury v. Madison – Marshall established the idea of ​​judicial review and strengthened the power of the judiciary in government. True to his Federalist ideals, Marshall ruled on cases that would explicitly limit the power of the state government and expand the forces of the national government. Finally, the Marshall Court was infamous for determining the outcomes of cases dealing with the interpretation of the Constitution and the importance of contracts in American society. The Marshall Court, in just three decades, has managed to influence the life of every American citizen, even today, by influencing the development of the judiciary, establishing a boundary between the state and the national government, and making declarations on the sanctity of contracts ("The Marshall Court"... middle of document...... College v. Woodward provided corporations and private economic institutions with protection from government regulations of the State, thereby allowing industry and business to grow (Newmyer, 247). The decision made by Marshall influenced several different areas of American society and left a perpetual mark on the justice system, the judiciary, and the government. American economic system, while the Marshall Court may have been a mere point in the history of the United States, its decisions have endured for hundreds of years. The Supreme Court Historical Society, nd Web February 12, 2014. Newmyer, R. John Marshall and the Heroic Era of the Supreme. Court. Baton Rouge: Louisiana State UP, 2001. Web. Pinzler, Andrew. “Marshall Court Decisions.” Marshall Court Decisions. The EthicalCulture Fieldston School, nd Web. February 12. 2014.