However, the Allies of World War I opposed such a move and German-Austria was largely powerless to resist the forces of Italy, Czechoslovakia, and the Kingdom of Serbs, Croats, and Slovenes from seizing some of its territory.
Namun, pihak Sekutu menentang langkah tersebut dan Austria-Jerman tidak mampu menahan kekuatan Italia, Cekoslowakia, dan Kerajaan Serbia, Kroasia, dan Slovenia merebut wilayahnya.