In Its Decision in the Case of Fletcher V

In its decision in the case of Fletcher v. Peck, the U.S. Supreme Court

A) exercised the authority to overturn a state law that the Court considered to be in violation of the U.S. Constitution.
B) declared that corruption involved in the making of a law automatically invalidated that law.
C) held that slaves who ran away from their masters had to be returned to them, even if the slaves had gone to a free state.
D) asserted that political parties were constitutional even though they were not mentioned in the 1787 document.
E) said that the purchase of land from a foreign power, as in the case of Louisiana, was constitutional.