 Rambai muchinyora ndima iyi - Kubvira pakutanga kwehondo, hurumende yeYugoslavia iri muutapwa yakakamurwa pamutsetse wedzinza pakati peHSS nemakurukota eSerbia kubva kumapato akati wandei asina kubatana. Kuparadzaniswa kwakawedzera mukupera kwa1941 sezvo makurukota eHSS akaratidza kusada kukurukura pachena uye kupomera utsinye hweUstaše pamusoro pevaSerbia. Muna Ndira 1942, Prime Minister Slobodan Jovanović akasarudza kutsigira maChetnik, achiwedzera kupesana nevashumiri veHSS. Jovanović akasarudza kufuratira kubatana kweChetnik nemasimba eAxis nekuda kwekutsigira kwavo monarchy uye anti-Communist orientation. Mutungamiri weChetnik Draža Mihailović akagadzwa Gurukota reMasoja, Navy uye Air Forces musi wa 11 Ndira 1942. Muna Ndira 1943, Mihailović akasvika Krnjević maererano nekubatana, asi hurukuro idzodzo dzakagadzira chete nhepfenyuro yeBBC kubva kuna Krnjević, umo kudaidza kwake maCroats kuti vabatane neChetniks kwakanyanya kufuratirwa. Musi wa22 Chikunguru, Krnjević akaita chimwe chichemo, achikumbira nhengo dzebato kuti vatore zvombo vasina kutaura kuti ndiani aizobatana navo, zvichiwedzera zvakanyanya huwandu hwenhengo dzeHSS dzakapinda muPartisans. Pakupera kwa1943, British Foreign Office yaida kuunza Maček kuLondon kunotsigira hurumende yeYugoslavia iri muutapwa. VaPartisan, avo rubatsiro rwavo rwakanga rwuchidiwa kuti vaite basa racho, vakaramba kubatsira. 