<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngemva kwe - Anschluss yango - 1938 phakathi kweJalimane neAustria, iYugoslavia yahlanganyela umngcele neThird Reich futhi yaba ngaphansi kwengcindezi eyandayo njengoba omakhelwane bayo babezihlanganisa nemibuso ye - Axis. Ngo-April 1939, i-Italy yavula umngcele wesibili neYugoslavia lapho ihlasela futhi ihlala e-Albania engomakhelwane. Lapho kugqashuka iMpi Yezwe II, uhulumeni waseYugoslavia wathi awuthathi hlangothi. Phakathi kuka-September no-November 1940, iHungary neRomania zajoyina i-Tripartite Pact, zavumelana ne-Axis, futhi i-Italy yahlasela iGrisi  <response>: . futhi. Kusukela ngalesosikhathi, iYugoslavia yayicishe izungezwe ngokuphelele imibuso ye - Axis namazwe ayisekelayo, futhi isimo sayo sokungathathi - hlangothi empini saba nzima. Ekupheleni kuka-February 1941, iBulgaria yajoyina i-Pact. Ngosuku olulandelayo, amabutho aseJalimane angena eBulgaria evela eRomania, avala umngcele ozungeze iYugoslavia. Ehlose ukuvikela uhlangothi lwayo oluseningizimu ekuhlaselweni okwakusondela kweSoviet Union, u - Adolf Hitler waqala ukucindezela kakhulu iYugoslavia ukuba ijoyine i - Axis. NgoMashi 25, 1941, ngemva kokubambezeleka okuthile, uhulumeni waseYugoslavia wasayina lesi Sivumelwano. Ezinsukwini ezimbili kamuva, iqembu lama-pro-Western, ama-Serbian nationalist Royal Yugoslav Army Air Force ladubula umbusi wezwe, uPrince Paul, ngokudutshulwa okungenagazi, wabeka umshana wakhe osemusha uPeter esihlalweni sobukhosi, futhi waletha uhulumeni wobumbano lukazwelonke oholwa nguJenene Dušan Simović. Lokhu kuhlasela kwamthukuthelisa uHitler, owayala ngokushesha ukuba kuhlasele izwe. Lapho kwenzeka ukuvukela, uHelm wayevakashele eBerlin, kanti uKraus wayeseBelgrade. 