I assumed it's the opposite. The Allies got away with firebombing and nuking whatever they like. So they probably drew lines like, "Hey, you can't drop aid righ

I assumed it's the opposite. The Allies got away with firebombing and nuking whatever they like. So they probably drew lines like, "Hey, you can't drop aid right next to the cluster bombs. Also when sieging a populace, they must be provided with food and given advance warning before bombardment."