Arbury v. Madison is a landmark Supreme Court decision because it set the precedent for judicial review. defined the scope of state powers under the Tenth Amendment. established national supremacy. affirmed the necessary and proper clause. helped to end Thomas Jefferson's political career.

Set the precedent for judicial review.

Explanation:

Marbury and Madison was a case in the Supreme Court of the United States involving the ongoing feud between two presidents, one outgoing and the other incoming. The rivalry between these two led to the now infamous case of Marbury vs. Madison. Outgoing president John Adams accused the incoming president Thomas Jefferson of not delivering the commissions of the new circuit judges. Due to their conflicting interests and the fact that Adams did it to frustrate his successor, the case got even more complicated.

As it involves the judges and the officials of the federal level, the new Supreme Court decision regarding this case made it mandatory that courts in the U.S. have the right to act against any law or acts or rulings that may harm the very nature of the Constitution of the United States. Thus, William Marbury, one of the officials whose commission wasn't passed through, got his way when he filed a lawsuit which ordered James Madison, the Secretary of State to do the needful.

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