Why was Marbury v. Madison an important case? A It was the first Supreme Court case to involve two presidents.
B It was the first case heard by the Supreme Court.
C It was the first unanimous decision by the Supreme Court.
D It was the first time a law was declared unconstitutional.

The correct answer is D. Marbury v. Madison was the first time a law was declared unconstitutional.

Explanation:

Marbury v. Madison was a judicial ruling issued by the Supreme Court in 1803, through which the Supreme Court created the power of judicial review, a legal institute that allowed it to review the constitutionality of government acts and the different laws, thus seeking protect the legal system of the country, to avoid laws or conduct contrary to the Constitution of the United States. In this way, the Supreme Court became the arbitrator that defines the legality of government norms and conduct, becoming the final interpreter of the Constitution.

D. It was the first time a law was declared unconstitutional.

Explanation:

it established the power of judicial review for the U.S. Supreme Court and lower federal courts with respect to the Constitution and eventually for parallel state courts with respect to state constitutions.

just because

explanation:

idk

answer; the period of time known as the middle ages;