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  Prussian created economic union destroyed terrif barriers between
 the German states.
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  unity
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  Announced Chancellor by king William I
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  Prussia went to war with AUstria, it only lasted 7 weeks with Prussia winning the war.
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  The war with France Napoleon III surrendered within a few weeks
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  Constitution crafted by Bismarck and it set up the legislature. Two houses: Bundesrat and the Reichstag
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  Formed the Three Emperors' League (Dreikaiserbund) with Russia and Austria-Hungary. But rivalry in the Balkans provoked the Russo-Turkish War of 1877, and Bismarck had to mediate at the Congress of Berlin in 1878, successfully maintaining the peace.