Got Yankee friends living in Southern Italy, born in very cold northern states, Arizona (30 yrs) and a spot in far east. They stocking up but figure as they live close to local farms that they can also source locally. Also it is an area known for Mafia, in event of Law and Order breakdown, the hidden will not become hidden and maintain a degree of "law and order", the landlord of their place is a local farmer whose niece they knew and helped, so they figure despite underlying health issues they will be ok.
They did send me Mormon list of supplies for a yr (they not LDS) which unless build an extension I would have no chance of storing.