The president appoints a cabinet member, but the senate rejects this appointment. this is an example of which principle in action?  

checks and balances 
judicial review 
federalism 
popular sovereignty 

Checks and balances.

Explanation:

Congress put a check on the President's picks.

d.he wanted to send diplomats to communist countries.

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.