What power allows the US Supreme Court to declare a statute unconstitutional?

The correct choice, which is judicial review, refers to the power of the Supreme Court to evaluate laws and determine their constitutionality. This principle allows the Court to interpret the Constitution and ensure that legislative and executive actions conform to its provisions. The concept of judicial review was established in the landmark case of Marbury v. Madison in 1803, which set the precedent for the Court's role in examining laws and government actions against the Constitution.

Judicial review serves as a crucial check on the powers of the legislative and executive branches, ensuring that no law can violate constitutional principles. This power empowers the judiciary to uphold the rule of law and protect individual rights and liberties as outlined in the Constitution.

The other choices do not accurately represent the process through which the Supreme Court can declare a statute unconstitutional. The phrase "supreme law of the land" refers more generally to the Constitution itself, emphasizing its authority over state laws but not specifically addressing the judicial branch's power. The term "the high court" is a colloquial reference to the Supreme Court and does not denote a specific power or function. Lastly, a veto is a legislative power used by the President to reject a bill proposed by Congress, and it does not relate to the Court's role in evaluating