<prompt> Bhala okuqhubekayo kwalesi sigaba - Indodana endala kaFerdinand I, uBoris wathatha isihlalo sobukhosi lapho uyise eshiya isikhundla sakhe ngemuva kokunqotshwa kweBulgaria eMpini Yezwe I. Ngaphansi kweSivumelwano SaseNeuilly sika-1919, iBulgaria yaphoqeleka, phakathi kwezinye izinto, ukuthi inikeze izindawo ezahlukahlukene, ikhokhe isinxephezelo sempi esilimazayo, futhi inciphise kakhulu ubukhulu bempi yayo. Ngawo lowo nyaka, u-Aleksandar Stamboliyski we-Agrarian Bulgarian Agrarian National Union waba undunankulu. Ngemva kokugumbuqelwa kukaStamboliyski ngo-1923, uBoris waqaphela uhulumeni omusha ka-Aleksandar Tsankov, owacindezela kakhulu iQembu LamaKhomanisi laseBulgaria futhi wahola isizwe empini emfushane yomngcele neGrisi. UTsankov wasuswa emandleni ngo-1926, kwabe sekulandela uchungechunge loNdunankulu kwaze kwaba ngo-1934, lapho iqembu lezinkampani Zveno lenza udlame  <response>: futhi wavimbela wonke amaqembu ezombusazwe. UBoris waphikisana nohulumeni weZveno futhi wawachitha ngo-1935, ekugcineni wafaka uGeorgi Kyoseivanov njengongqongqoshe. Phakathi nesikhathi esisele sokubusa kwakhe, uBoris wayezobusa njengenkosi ephelele eqinisweni, futhi oNdunankulu bakhe babezozithoba kakhulu entandweni yakhe. 