<prompt> Bhala okuqhubekayo kwalesi sigaba - IBulgaria, eyayinamandla omhlaba eBalkans, yamemezela impi neSerbia ngo-October 1915. IBrithani, iFrance neItaly zaphendula ngokumemezela impi eBulgaria. Ngokubambisana neJalimane, i-Austria-Hungary kanye nama-Ottoman, iBulgaria yanqoba ezempi ngokumelene neSerbia neRomania, yathatha ingxenye enkulu yeMakedoniya ithatha iSkopje ngo-Okthoba, yathuthukela eGrisi Macedonia, futhi yathatha iDobruja eRomania ngoSepthemba 1916. Ngakho iSerbia yakhishwa okwesikhashana empini, futhi iTurkey yasindiswa okwesikhashana ekuweni. Ngo-1917, iBulgaria yafaka ingxenye engaphezu kwengxenye yesine yabantu bayo abayizigidi ezingu-4,5 ebuthweni lempi elinabantu abangu-1.200.000, futhi yabangela ukulahlekelwa okukhulu eSerbia Kaymakchalan, eGreat Britain Doiran, eFrance Monastir, eMbusweni waseRussia Dobrich naseMbusweni waseRomania Tutrakan  <response>: Izindaba 