What role did Bartolomé de Las Casas play in the treatment of indigenous people in the Americas? Choose three correct answers. He opposed the encomienda system.
He experienced the system and wanted it to continue.
He argued that enslaving people was a sin.
He wanted Spain to provide more encomienda grants to the church.
He thought that indigenous people should be converted to Christianity.

The answers are A, C and E.

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.