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War is probably the best way to estimate the time required. The USA took 18 months to switch over to a full war economy in WWII. We might be able to do it in le
by danieltillett 9y ago
War is probably the best way to estimate the time required. The USA took 18 months to switch over to a full war economy in WWII. We might be able to do it in less, but ideally we have in place a couple of years worth of food.