The poor frequently destroyed their apartments, so the maintenance cost was very high. Crime in such “housing projects“ , as they are called, became famous, with gangs shooting at each other to control illegal drug trade. Most of these buildings were demolished. US government now pays homeowners to house the poor, if they will do it. The same problems are still there, and few of them will agree to do that. In urban areas the division between “the upscale neighborhoods“ and the“slums“or “ghettos“, as they are called, can be only a couple of blocks and is extremely drastic. Part of crime in America is committed by minorities, espacially by African-American or Latino minorities.