There have been a lot of communistic societies over the years so I would be cautious about declaring them all unable to feed themselves. Having said this the on

There have been a lot of communistic societies over the years so I would be cautious about declaring them all unable to feed themselves. Having said this the only exception I can think of are the Doukobors [1]. 1. https://en.m.wikipedia.org/wiki/Doukhobor https://en.m.wikipedia.org/wiki/Doukhobor