**GIVING BRAINLIEST 11 POINTS!!** Why was the Niger river important to the growth of the Mali empire?

A. It protected the Mali empire from invasion.

B. It provided fertile farm soil and trade routes.

C. It’s served as a major source of salt and ivory.

D. It allowed Mali to trade on the Atlantic Ocean.

B, It provided fertile farm soil and trade routes.

Explanation:

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.