Answer:
it's most definitely me :)
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The cause of The Thirty Year War is that the Holy Roman Empire had conflict<span> with the Protestant. </span>France <span>fought </span>Spain<span> and the Holy Roman Empire for Europe Leadership. The effect of the war is that Sweden,</span>France<span> and their allies gained new territory.</span>
<h2>answer is:</h2><h2><em>
German princes picked the king weak royal authority, so states of Germany didn't unify during the middle ages.
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