[danaliv]

> London and other major global cities have formed something almost akin to the science fiction concept of a breakaway civilization. They are their own global meta-nation. Meanwhile the interior and rural districts…

Almost, except that cities are utterly dependent on "the interior and rural districts" for food.

[TomMarius]

Well, my whole country depends on other countries for food...

[anigbrowl]

No they're not. They can grow their own (and have in times of previous crisis) and most large cities are built around ports. Also, when was the last time a rural population laid siege to a city and starved it? Hundreds of years ago.

Honestly, I don't understand the fantasy world people like you live in. You seem to assume that people who live in cities are helpless kittens or something.