But of all those that are requirements (not internet, etc.), are medium-term requirements at best, and farmers are probably in a better position to adapt to los

But of all those that are requirements (not internet, etc.), are medium-term requirements at best, and farmers are probably in a better position to adapt to losing them than a city population is to losing its food. For instance: people only need medicine if they're sick and farms can grow crops without fertilizer, gasoline, and electricity (just not enough to feed billions).