How did the settlement-house movement distinguish itself from other urban social-welfare ...

How did the settlement-house movement distinguish itself from other urban social-welfare organizations?
 
  A) It helped poor immigrants settle on western homesteads to relieve urban overcrowding.
  B) It helped the urban poor purchase their own homes because of the belief that owning private property leads to the adoption of middle-class values.
  C) It insisted that charity workers live in slum neighborhoods to better understand the living conditions of the poor.
  D) It was not being concerned about the urban poor's propensity for drinking and gambling.
  E) It tried to keep immigrants settled indoors until they could behave like Americans.