I spent a bunch of time in North Oxford as a kid, and this was taken as prima facie given that there had until quite recently been an actual wall built to keep

I spent a bunch of time in North Oxford as a kid, and this was taken as prima facie given that there had until quite recently been an actual wall built to keep out poor people: https://www.oxfordmail.co.uk/news/16692392.cutteslowe-walls-two-estates-divided-class/ https://www.oxfordmail.co.uk/news/16692392.cutteslowe-walls-... Also calls to mind the expression "wrong side of the tracks", which (I believe) originates directly from the idea you have a railway keeping the poor away from the rich. Being America, of course, race takes forefront rather than poverty.