Oh! One of my favorite ag articles talked about the challenges of growing oranges in russia! https://www.lowtechmagazine.com/2020/04/fruit-trenches-cultivating

Oh! One of my favorite ag articles talked about the challenges of growing oranges in russia! https://www.lowtechmagazine.com/2020/04/fruit-trenches-cultivating-subtropical-plants-in-freezing-temperatures.html https://www.lowtechmagazine.com/2020/04/fruit-trenches-culti... You're absolutely right that perhaps not everything should be grown everywhere, but I strongly believe that a country should have a local source of all the calories and vitamins / minerals they need. In Canada, for example, maybe they encourage farmers to grow greens, brocolli or potatoes instead of citrus for vitamin c, but they absolutely need a source.