The mutual interdependence of town and country has one consequence so obvious that it is easily overlooked: at the global scale, cities are generally confined to areas capable of supporting a permanent agricultural population.
Anmilal wa illan jir taghrimt id addawlat ila tikma war injer harat s raqqis ad war tila ijjari:Daɣ tahirik , tiɣarmaten aqqalat idagan addobat nen harkuk aɣabal n išaɣib wan tiwijjast