Some causes of nations joining world war 1
- Assassination of Archduke Franz Ferdinand
- Military rivalry between powerful nations
- US: the Zimmermann Telegram and the sinking of the Lusitania
- Colonies: The wish that if they fought for for their European countries they could be free, and so they join the war, making it a World War effectively
hope this helps
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A. Original sin
This should be the answer
<span>The belief that the country should be run by the learned elite.
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i think its either c or a but im not entirely sure but i hope this helps you a little more then nothing.