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Serbia
Serbia stared war to get back what was theirs. -
assasination
Assasination of the Arch Duke Franz Ferdinand of Austria this triggeers the war. He was assasinated Gaverilo by Princip. -
Austria and Hungary
Austria ans Hungary declared war on Sirbia -
Great Britian
was an allianve with Germany. When Germany enetered the war so did Britin because Germany depended on Britian. -
France
The french wanted to take back what was theirs from Germany because the germans had taken two proviances fronm the french and defeated them in a battle in 1870. They formed an alliance against Germany and wanted went after them in 1914 -
Russia
Russia was an alliance to france and helped them win a battle against Germany. so when the french joined the war their alliance Russian joined. russian had the biggest standing army of about 1,400,000 soilders with that they didnt have a problem joining the war. -
Germany
Germany was attacking american ships without warning until finally the united states declared war against them in 1914. -
Belgium
It was invaded by Germany on August 4th 1914. Belgium was nuetral didnt want to be in the war. -
Ottoman Empire
the ottoman empire first declared war on Romania because they declared war on Austrian-Hungary countries and Russian declared war on the Ottoman Empire becauase they bombarded Russian ports with ships. -
Italy
Italy joined the war on behalf of Britan, France and Russia. Italy had a triple alliance with these countries. -
Bulgaria
Bulgaria entered the war because Great Britain had declared war on them. -
Portugal
Portugal enterted WWI because Germany and Austria-Hungary declared war on them. -
Romania
Romania entered the war to seize back a peice of Hungary that contained a large romanian population. -
Greece
Greece joined the war because the french and British forced them to or Constanople would have been destroyed.