Name one country which is fully self-sustaining.
Agricultural subsidies exist primarily due to lobbying, the "we don't want to starve" argument is nothing more than an excuse used to justify the fortunes handed out to corporate-scale farmers.
France, USA, Australia to name 3 (https://en.wikipedia.org/wiki/List_of_countries_by_food_self...).
France, USA, Australia to name 3 (https://en.wikipedia.org/wiki/List_of_countries_by_food_self...).