Question

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Why did world war one happen?????????????????

Answer 1

The immediate cause for World War 1 was the assassination of the Archduke Franz Ferdinand of Austria and his pregnant wife Sophie. Archduke Franz Ferdinand of Austria was the nephew of Emperor Franz Josef and heir to the throne of Austria and Hungary. ... However, there were many other causes for the start of World War 1

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Answer 2

Answer:World war 1 also, happened due to existing international tensions and alliances. Due to alliances small wars that otherwise would have stayed small became a world war. An alliance is the promise to help others in war.

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