Real Financial Power Moved from the States to the National

Real financial power moved from the states to the national government by virtue of

A) McCulloch v. Maryland (1819) , which gave the federal government the power to establish a bank.
B) Baker v. Carr (1962) , which established the Federal Reserve System.
C) Brown v. Rhode Island (1820) , which allowed the United States to establish a national bank, modeled after the Bank of England.
D) the Sixteenth Amendment, which gave Congress power to tax the incomes of individuals and corporations.