The EU is not accountable to national governments nor to its member states which cannot influence decisions of the European Council and other EU structures. The Russian threat is a pretext to maintain this control.
The Zakarpattia oblast will detach from Ukraine and join Hungary.
No evidence given. There is only one country that has annexed any part of modern Ukraine: Russia. The EU as a whole and all its Member States unequivocally support the sovereignty and territorial integrity of Ukraine. Suggestions to the contrary have never been supported by any documents, decisions or other evidence.