If you're talking about the kind of hard times where your economic needs are reduced to 1400 calories/day, a lump of coal to cook your millet gruel, and some sh

If you're talking about the kind of hard times where your economic needs are reduced to 1400 calories/day, a lump of coal to cook your millet gruel, and some shoes made of old tires, the US is at least a major food exporter. I don't expect times to get that tough.