Answer: 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.
The answer is D. The tax is levied on something other than income but ends up being a higher percentage of their income than it would be for a high earner.