Who's efforts in the 1940s and 1950s has nearly eliminated and widespread, deadly disease?
a. vladimir zworykin
b. norman borlaug
c. jonas salk
d. marshall mcluhan

b) that he was not a free man

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.