Answers

2015-07-09T20:09:34+05:30
There are many long term causes for that but immediate cause was thaat prince of austria frenz archduke was killed by a person of serbia.so on 28th july 1914 austria called for war with serbia and also germany,usa,france,belgium,USSR. alos joined
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2015-07-09T20:18:07+05:30
Prince of austria frenz archduke was killed by a person of serbia on 28 th july 1914
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plzzzzz mark my answer as best
plezzzz