<prompt> Pedzisa mutsara unotevera: Mwanakomana mukuru waFerdinand I, Boris akatora chigaro pashure pokunge baba vake vasiya chigaro pashure pokukundwa kweBulgaria muHondo Yenyika I. Maererano neChibvumirano cheNeuilly cha1919, Bulgaria yakamanikidzwa, pakati pezvimwe zvinhu, kubvisa ndima dzakasiyana-siyana, kubhadhara muripo wehondo unoremadza, uye kuderedza zvikuru ukuru hwemauto ayo. Mugore iroro, Aleksandar Stamboliyski womubatanidzwa wevagari venyika yeBulgaria Agrarian National Union akava mutungamiriri wehurumende. Pashure pokunge Stamboliyski aparadzwa mukubvuta hurumende muna 1923, Boris akabvuma hurumende itsva yaAleksandar Tsankov, uyo akadzvinyirira zvakasimba bato reCommunist reBulgaria uye akatungamirira rudzi kuburikidza nehondo pfupi yemuganhu neGreece. Tsankov akabviswa musimba muna 1926, uye nhevedzano yemakurukota makuru yakatevera kusvikira muna 1934, apo sangano reZveno rakaronga  <response>: chiito chokupanduka uye kurambidza mapato ose ezvematongerwe enyika. Boris akapikisa hurumende yeZveno uye akavhiringidza muna 1935, pakupedzisira achigadza Georgi Kyoseivanov semutungamiriri wehurumende. Kwenguva yose yakasara youtongi hwake, Boris aizotonga sade facto mambo wechokwadi, uye vatungamiriri vake vehurumende vaizviisa pasi pake. 