What must be true of a bill which has become law at a federal level? It must be approved by the Supreme Court.
It must be in the best interest of all Americans.
It must have passed both the House and the Senate.
It must have been introduced into the Senate before the House.

in mcculloch v. maryland (1819) the supreme court ruled that congress had implied powers under the necessary and proper clause of article i, section 8 of the constitution to create the second bank of the united states and that the state of maryland lacked the power to tax the bank.

gibbons v. ogden, (1824), was a landmark decision in which the supreme court of the united states held that the power to regulate interstate commerce, granted to congress by the commerce clause of the united states constitution, encompassed the power to regulate navigation.