How did the US become a world power?

Explanation:

the 1898 Treaty of Paris ending the war gave Cuba its independence and also ceded important Spanish possessions to the United States notably Puerto Rico the Philippines and small islands of guma the United States was suddenly a colonial power with overseas dependencies

then its a law the end

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.