How did the desire for more land, like that of the Oregon country, the Mexican session and Gadsden purchase, lead to political divisions and sectional tensions antebellum period?

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.

b is the answer i am assuming

the deaths of over a million communist soldiers

post-traumatic stress disorder in veterans