<prompt> Bhala ukuqhubeka kwalesi sigaba - Ukubulawa kuka-Archduke Franz Ferdinand wase-Austria ngo-28 Juni 1914 eSarajevo nguGavrilo Princip, oyilungu lenhlangano i-Young Bosnia, kwaholela e-Austria-Hungary ukuthi imemezele impi neSerbia, ngo-28 Julayi 1914. Impi yendawo yakhula lapho iJalimane imemezela impi eRussia futhi ihlasela iFrance neBelgium, kanjalo idonsela iGreat Britain empini eyaba iMpi Yezwe Yokuqala. ISerbia yanqoba izimpi zokuqala ezinkulu zeMpi Yezwe I, kuhlanganise neMpi yaseCer, neMpi yaseKolubara  <response>: , okuphawula ukunqoba kokuqala kweZizwe Ezihlangene ngokumelene neMibuso Ephakathi eMpini Yezwe I. 