Slave Dred Scott sued for his freedom on the basis that his owner had taken him to live in a free state and then a free history. His case was argued in front of the Supreme Court in 1857. What was the Supreme Court's ruling in the Dred Scott v. Sandford case?

One day you learn that this same wealthy friend has become active in a community organization that serves the mentally challenged and their parents. you are told that her work with mentally challenged children consumes most of her weekends and a substantial part of her income and that she lives in modest circumstances. you find this hard to believe, and you suspect that somehow she is profiting from her involvement.