Describe how the Freedom Riders were treated in the South.

The Freedom Riders challenged this status quo by riding interstate buses in the South in mixed racial groups to challenge local laws or customs that enforced segregation in seating. The Freedom Rides, and the violent reactions they provoked, bolstered the credibility of the American Civil Rights Movement.

i believe the answer is d.

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.