Which is the best explanation for why Mesopotamians built canals? O They needed a way to control low water levels.
O They needed a way to control the surplus.
O They needed a hoy to control the river's flow.
They needed a way to control flooding.

I'm pretty sure the answer is number 3

Explanation:

They needed a hoy to control the river's flow

it is a because im a fod nigba

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.