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The Marbury v. Madison court case increased the Court's power. They decided if the laws were unconstitutional.
It established the power of judicial review.
The judicial power to decide whether a law is constitutional.
From the case of Marbury v. Madison
The power to declare a law unconstitutional (Judicial Review).
Marbury v. Madison (1803)
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Marbury vs. Madison
Chief Justice John Marshall formally claimed the power of judicial review, the ability of the courts to review and declare laws relevant to cases before the court unconstitutional, in Marbury v. Madison, (1803).
The court ruled that Marbury had the right to recieve his letter, but the court did not have the power to order Madison to give it to him. This case proved the Judicary Act of 1789 unconstitutional.
Marbury v. Madison, 5 US 137 (1803)The Supreme Court of the United States and the Judicial branch of government.
The Supreme Court Gained The Power To Declare Laws Unconstitutional