The border states were important as a buffer for the union from the confederacy. why was it important that maryland stay in the control of the union? because it was the first state in the union and had patriotic connections for many citizens because the nation's capital in washington dc would have been surrounded by confederate states if maryland had left the union because the union would have lost access to the south for offensive attacks because the number of union and confederate states needed to stay equal for balance of power in congress

The correct answer is B, "Because the nation's capital in Washington DC would have been surrounded by Confederate states if Maryland had left the Union."

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.