Answer:
sorry I didn't know.......
please make me Brianlist please
Possibly the last one or the third one.
Answer:
The assassination of Archduke Franz Ferdinand.
Explanation:
The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.
