 Moreover, historians from both countries intensely debated the treaty with the Soviet Rumcherod in 1918 that required withdrawal of the Romanian Army from Bessarabia but which both countries failed to respect.The legitimacy of the Sfatul Țării was also brought into question, although the only contested decision is the unification act.In December 1923, the sixth Conference of the Balkan Communist Federation adopted a resolution condemning what was called "Romania's expansionist nature".