Question

PLEASE HELP!!!!

What is significant about the Supreme Court’s decision in Marbury v. Madison?
It was the first time the Supreme Court recognized an implied power of Congress.
It was the first time the Supreme Court declared an act of Congress unconstitutional.
It was the first time the Supreme Court ruled on the meaning of the “commerce clause.”
It was the first time the Supreme Court declared a state law unconstitutional.

Answer 1

In short your answer would be.... probably It was the first time the Supreme Court declared an act of Congress unconstitutional, since the others don't make sense.