Astro Austria Hungarian Empire

If not for nuclear weaponswe won the west 100 %. Would be a war with russia. Nd, i think that in this and this scenario, like china would probably join in as well. And, you know, the imas would probably be playing te the role of astro austria hungary. The kingdom of serbia could sort of tell the austrians to fuck off. What would the crowats start doing? What would the italians start doing?