How did the war begin? The murder of a royal person Which countries fought? Countries which joined the war by choice Why was it truly a 'world' war? Some countries which joined the war without a choice How were former colonies involved? Some individuals who joined the war without a choice What happened on Armistice Day? The end of the war Did anything good come from the war? An effort to prevent future wars http://500ab102e3079df093a4-ff8eeadd950d51fd1fc939dca75b3973.r47.cf1.rackcdn.com/assets_default.swf