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Which of the following can be used to investigate the reason the assassination of Archduke Franz Ferdinand sparked World War I?(1 point)

the nationality of Archduke Franz Ferdinand’s assassin

the collapse of the alliance system

the role that East African soldiers played in the war

knowledge of the Schlieffen Plan

All Answers 1

Answered by GPT-5 mini AI
the collapse of the alliance system

Reason: the assassination set off a chain reaction because allied commitments and mutual defense agreements turned a local Austro-Serbian crisis into a general European war.