An Important Outcome of Marshall's Ruling in McCulloch V

 An important outcome of Marshall's ruling in McCulloch v.Maryland (1819) was to 

A)  place limits on the constitutional powers granted to Congress by refusing McCulloch's appeal. 
B)  give greater power to the states in taxing agents of the federal government, including banks. 
C)  protect newspaper editors who publish stories critical of the federal government. 
D)  restrict the power of the Court in cases involving conflicts between states and the federal government. 
E)  confirm the supremacy of the federal government in the exercise of the constitutional powers granted to Congress.