Michael Bloomberg wrote an article in Foreign Affairs saying that cities are now the centers of public policy innovation, in part because state and Federal governments are either controlled or blocked by people who want no policy and no innovation. https://www.foreignaffairs.com/articles/2015-08-18/city-cent... My anecdotal, off-the-top-of-my-head memories bear that out: Almost all innovative policy, from biking to f…
Any region which isn't urban is, basically, Incapable of adaptation. It is totally beholden to the natural resources it has. Fertile soil? Shale oils? Nice beaches? Forests? The environment you have basically fixes your destiny. A government presiding over a rural area basically has to become like a corporation whose sole purpose is stewardship and exploitation of that natural resource. Whereas cities are human const…
For an urban region to be viable, it needs a number of "nonurban" areas, to supply the prime and natural resources you mention, a city is by definition not self-sufficient.
For example, Sicily was known as the "granary of Rome", in ancient times...