Full Idea
Communities should have some one thing that is common and the same for all the members, whether they share in it equally or unequally - for example, food, a quantity of territory, or something else of this sort.
Gist of Idea
A community should all share to some extent in something like land or food
Source
Aristotle (Politics [c.332 BCE], 1328a27)
Book Reference
Aristotle: 'Politics', ed/tr. Reeve,C.D.C. [Hackett 2017], p.169
A Reaction
In modern societies vast numbers of people own no land at all, and common land has dwindled. Maybe it is roads, buses and trains?