In 1–2 sentences, assess the Supreme Court decisions of Marbury v. Madison and McCulloch v. Maryland and the impact they had on understanding the Constitution.

The Supreme Court decisions in Marbury v. Madison established the principle of judicial review, giving the court the power to interpret the Constitution. In McCulloch v. Maryland, the court upheld the doctrine of implied powers, expanding the federal government's authority under the Necessary and Proper Clause. These decisions have greatly shaped our understanding of the Constitution and the balance of power between the federal government and the states.