How did George Washington as a president increase the federal government power

He suppressed a riot of Shays rebellion of the rioting farmers, this Ultimately led to the federal government have a continental army, qnd from there more and more things increased the power of the government

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.