What Was the Overall Importance of McCulloch V

What was the overall importance of McCulloch v. Maryland (1819) ?

A) The justices interpreted the delegated powers of Congress broadly, creating the potential for increased national powers.
B) The justices gave a very restricted definition of Congress's delegated powers, in keeping with the era of dual federalism.
C) The justices announced that dual federalism did not conform to the framers' design.
D) The justices declared that all national banks were unconstitutional.
E) The justices forced all states to open at least one branch of the national bank.