Yugoslav-AustroHungarian War(Future's Course)

The Yugoslav-AustroHungarian war was Fought between Austria-Hungary on one side and Yugoslavia on the other side.The Austria-hungarians had India,Australia and brazil supporting them while Romania and Bulgaria supported Yugoslavia.the war was cause by  the expansionist ways of the Austria-Hungarians.they wanted to annex Yugoslavia for the resources.The Strength of the so called"Future Superpowers" was way more than that of Yugoslavia and their allies.Romania and Bulgaria Surrendered after their homeland was destroyed by air strikes.Yugoslavia was all alone in the war and so they surrendered.the country was annexed by Austria-Hungary