What event triggered World War I? the extreme militarism of Germany under Kaiser William II the assassination of Archduke Francis Ferdinand by an ethnic Serb the alliance between Russia, France, and Serbia the disagreement over Alsace-Lorraine between France and Germany

Respuesta :

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The assassination of archduke Francis Ferdinand

Answer:

The assassination of Archduke Francis by an ethnic Serb the alliance between Russia France.

Explanation: