Why did Mary walker run away In the first place

When Walker's security was threatened under the Fugitive Slave Law of 1850, Lesley helped her move to Boston. There she found refuge with Lesley's cousin. Although safe at last, Walker was heartbroken. Running away meant an end to her life as a slave, but it also meant leaving behind her mother and three children.

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.