Question

Write the immediate cause of world war 1

Answer 1

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. ... Thus began the expansion of the war to include all those involved in the mutual defense alliances.

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Answer 2

The immediate cause for the world war 1 was the assassination of Archduke Franz Ferdinand.