How did improved transportation affect the economy of the United States in the early 1800s? It required fewer people to produce goods.
It increased costs of transportation, sending the economy into a recession
It shared ideas and inventions more quickly
It transitioned the economy from agriculture to market.

It required fewer people to produce goods

c. typhoon

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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.