Are you prepared for disaster?

[kenneal - lagger]

Water isn't usually a problem in the UK and if you're using it for cooking it's even less of a problem because it is likely to be boiled. Bread and beer were two of the staples of a poor man's diet at one time, both carb rich to give the calories. Not forgetting potatoes in Ireland.

[woodburner]

Poor people (JAMs) were only reduced to eating high carbs when the Cleaned Up Nicely Thankyou'S deprived them of land and food. Broadly the same is happening today.