15) Within a century of the conquests in Latin America by Spain and Portugal, the
native population had declined considerably from battle and disease. To offset this
loss of labor, Spain and Portugal
imported slaves from Africa.
B) encouraged European immigration,
C) improved agriculture through new methods of farming.
improved living conditions for the native populations.

the answer is c. many americans held nativist or racist views

can you attach the graph and answer options (:

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.