<prompt> Qedela umusho olandelayo: Kule mpi, ukunqotshwa kweSerbia kwakubhekwa njengokuseduze, okungenani ngababukeli bangaphandle, uma kuqhathaniswa namandla e - Austria - Hungary. Nokho, iSerbia yayizilungiselele kahle, futhi ngemva kochungechunge lwezimpi ngo-1914 i-Battle of Cer,  <response>: Impi yaseKolubara, ukulahleka nokubuyiselwa kweBelgrade, kanye nokuhlaselwa okuphikisayo kweSerbia ngokuhlala kwezinye izindawo zase-Austria ezinabantu abaningi baseSerbia eSirmia nasempumalanga yeBosnia, ibutho lase-Austro-Hungary lahlehla. Ngo - July 5, 1914, izinto zashintsha lapho iNkosi endala uPeter I idlulisela imisebenzi yayo endlalifa ebonakalayo u - Alexander, imenza umbusi wayo. 