Tribal life comes automatically to an end when a primitive people begins to live in a town or a city, for sooner or later a tribal organization is found to be incompatible with life in a city.
Arthur KeithThere are the further difficulties of building a population out of a diversity of races, each at a different stage of cultural evolution, some in need of restraint, many in need of protection; everywhere a bewildering Babel of tongues.
Arthur Keith