What was the significance of the Marbury v. Madison case that was argued before the Supreme Court in 1803?
A)This was the first time that the Supreme Court had declared an act of Congress unconstitutional.
B)This was the first time that the Supreme Court ruled on a case involving slavery
C)This was the first court case to be argued before the Supreme Court.
D)This was the first time that the Supreme Court ruled on a case involving states' rights.