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  sided with germany and austria-hungary
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  A man named Gabriele Princip assasinated the Archduke Franz Ferdinan.
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  had minor powers in world war 1.
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  minor powers, blamed by Austria for violence and declared war.
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  Enetred the war when they invaded Belgium.
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  Joined when Brittan entered.
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  allied against the central powers, whcih lead to them joining world war 1
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  after th Tczar was overthrown, russia began a revolution, which ended in them joining the war.
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  Germany in general was a major cause of ww1. they blew up american ships and frequently was a threat.
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  joined the central powers as a "tripple alliance"
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  after germany declared war, they were hoping to annex.
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  wanted to stay neutral, like the US, but ended up joining after the tension between germany became too much.
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  declares war on austria-hungary
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  remained neutral until they joined the war.