Mezue ahịrịokwu na-esonụ: Mgbe Agha Ụwa Mbụ biri, Gris lere Belgrade anya dị ka onye agbata obi dị ike nke nwere ike ịchị Balkans. Ikike Yugoslav nwere ịdọta nkwado site na nnukwu ike, ọkachasị France, mere ka Atens nwee nchegbu na Yugoslavia ga-etinye Gris nrụgide na ọnọdụ nke ndị na-asụ Slav nke Greek Macedonia na ikekwe ọbụna ọdụ ụgbọ mmiri nke Thessaloniki. Gris nwere nchegbu na njikọ agbụrụ, asụsụ na okpukpe dị n'etiti Yugoslavia na Bulgaria ga-eduga na njikọ. Otú ọ dị, njikọ a emezughị n'ihi na Yugoslavia bụ steeti dị ugbu a nke na-achọ ime ka ihe ịga nke ọma nke ndị South Slavic na-emekọ ihe ọnụ na-aga n'ihu ebe Bulgaria bụ steeti revisionist. N'otu aka ahụ dị ka ọnọdụ nke Alaeze Serbia na Agha nke Abụọ nke Balkan, Yugoslavia sonyeere Alaeze Gris, Alaeze Romania na Turkey n'ịmepụta nkwekọrịta Balkan nke a na-achọ ịnọgide na-enwe ọnọdụ nke geopolitical. E jiri ya tụnyere obi mgbawa nke ajụjụ Macedonian nwere n'etiti ndị isi Bulgarian, ndị isi Serbia (na obere obere Croat na Slovenian) na Alaeze Yugoslavia gosipụtara mmasị dị ala na okwu a. Alaeze nke Serbia tụgharịrị mmasị mgbasawanye ya na ndịda (mpaghara nwere ọnụ ọgụgụ dị nta nke ndị Serbs) naanị mgbe ndị agha Serbia weghaara obodo ahụ.
Bosnian Crisis na egwu nke gburugburu n'etiti ike Austria-Hungary na Bulgaria. N'oge Yugoslav, a maara akụkụ ndịda nke mba ahụ dị ka Vardar Banovina.