Which of the following was the final engagement before World War I?
AAssassination of Archduke Ferdinand
BFormation of Triple Entente
CUltimatum to the Serbians
DAustrian refusal to partial negotiations
Which of the following was the final engagement before World War I?
AAssassination of Archduke Ferdinand
BFormation of Triple Entente
CUltimatum to the Serbians
DAustrian refusal to partial negotiations