Earlier quoted context omitted.
> Achieving self-sufficiency in these three areas would be like a second independence for us (first was when we got free from Portugal). Every country in the world is dependent on trade, which is saves a lot of money over self-sufficiency. North Korea is the only country that tries self-sufficiency. If it costs you $100/bushel to produce wheat and you can buy it for $60/bushel (I'm fabricating numbers), why produce i…
Because 'Geopolitical Risk' is a thing. Its nice when you can buy $60/bushel wheat. Its not so nice when your dealer cuts you off. The extra $40/bushel you pay to produce in-house, thats your insurance policy against having your supplies cut off. In a world where geopolitical lines are shifting, it's a matter of national security and optionality to have your own food production capacity. Risk management.
Nationalism makes you poor.