<prompt> Nyora kupfuurira kweiyi ndima - Bulgaria, iyo yakanga ine uto rapasi muBalkans, yakazivisa hondo kuSerbia muna October 1915. Britain, France neItaly vakapindura nokurwisa Bulgaria. Mukubatana neGermany, Austria-Hungary neOttomans, Bulgaria yakawana kukunda kwemauto kurwisa Serbia neRomania, ichitora chikamu chikuru cheMasedhonia kutora Skopje muna Gumiguru, ichienderera mberi muGreek Macedonia, uye kutora Dobruja kubva kuRomania munaGunyana 1916. Nokudaro Serbia yakadzingwa muhondo kwenguva pfupi, uye Turkey yakadzivirirwa kwenguva pfupi kuti isaparara. Pakazosvika 1917, Bulgaria yakanga yava neuto revanhu vanopfuura chikamu chimwe muzvina chevanhu vayo vane mamiriyoni 4,5 vaiva neuto revanhu 1,200,000, uye yakanga yaurayisa zvikuru Serbia Kaymakchalan, Great Britain Doiran, France Monastir, Russian Empire Dobrich neUmambo hweRomania Tutrakan  <response>: ChiGerman. 