Judicial Review: This term refers to the power of the courts to declare laws or actions unconstitutional. It was established by Marshall's landmark decision in Marbury v. Madison.
Federal Supremacy: This term refers to the idea that federal laws take precedence over state laws when there is a conflict. Marshall strongly supported this concept through his rulings.
National Bank: This term refers to a central bank established by Alexander Hamilton. In McCulloch v. Maryland, Marshall confirmed its constitutionality, strengthening federal authority over state governments.