Which statement best describes a difference between a presidential system of democracy and a parliamentary system of democracy? question 2 options: the president acts as head of state in a presidential system only. the prime minister is elected directly by popular vote in a parliamentary state only. the prime minister act as head of the national government in a parliamentary state only. the president is chosen by members of the legislative branch in a presidential system only.

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.