Sanctions in the Balkans

When is the first time that we see sanctions like a blockade, you can't get food in or out? And used in a way that you might say, ok, that worked. That's why we kept goin with us. So there were two incidents to mall border wars in the balkans at that time, yuguslavia, albania and then greece. It was called the war of the strayed dog, ok? Why? I mean, alivat your have a stray dog, an lead to a border war. But they had a powder keg potential, right? They could set off another war. so it was important to e nip