Dee ihe na-aga n'ihu maka paragraf a - Mgbe Agha Worldwa Mbụ biri, Gris lere Belgrade anya dị ka onye agbata obi dị ike nwere ike ịchịkwa na 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 Serbia tụgharịrị mmasị mgbasawanye ya na ndịda (mpaghara nwere obere ndị Serbs agbụrụ) naanị mgbe nsogbu Bosnia gasịrị
na-atụ egwu nke ịbụ onye a ga-ekechi n'etiti Austria-Hungary na Bulgaria dị ike karị. N'oge Yugoslav, a maara akụkụ ndịda nke mba ahụ dị ka Vardar Banovina.