This has been suggested many times before and the devs won't see them most likely which is why i'm making a thread for it.Now how transporting resources has been suggested was by simply have units take resources to the army group which gets complicated fast so instead of that how about a simple system like. If Army group A is in province A1 and province A1 has the required resources for the army they will get them, and if Army group B is in a province that does not have the resources they get a debuff of some sort.Now it won't check single proinces it will check that province and all the provinces connected to it to see if it has the right amount of resources stored/being made.