The Bulgarian reply to the Russian invitation contained so many conditions that it amounted to an ultimatum, leading Russian diplomats to realize that the Bulgarians had already decided to go to war with Serbia.
Bulgaaria vastus Vene üleskutsele sisaldas nii palju tingimusi, et see oli ultimaatum, viies Vene diplomaadid arusaamisele, et bulgaarlased on juba otsustanud Serbiaga sõtta minna.