moreover, if we wanted to be self-sufficient (which for choice would not to be way over 100% adequate unless you really like turnips) we move into the problem of importing oil and fertilizer which we don't have ourselves. agriculture past a certain point is just turning oil into food, you'd just be swapping french cheese and wine for cheese from swindon and wine from hull along with a crippling dependency on german fertilizer and saudi oil. i like french cheese, its fine as it is.
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