16. Which of the following most directly contributed to the Union victory in the Civil
War?
(A) The assassination of Lincoln turned public
opinion against the Confederacy
(B) The Union possessed greater resources and
population
(C) European nations ultimately intervened on
behalf of the Union
(D) The Confederacy failed to recruit effective
military leaders

what following?

explanation:

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.

cuba is a multi-ethnic nation