AP3X PLS ANSWER To protect local manufacturers from competition, a country may tax certain
imports to make them more expensive. What is this tax called?
O A. A subsidy
B. A treaty
O c. An imbalance
O D. A tariff

the answer is D

Explanation:

this is a tariff

i'm not sure i understand what you are trying to ask, if you give more information, that would be most .

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.