What major rivers played a role in the creation of the Russian state?

Volga River, Russian Volga, ancient (Greek) Ra or (Tatar) Itil or Etil, river of Europe, the continent's longest, and the principal waterway of western Russia and the historic cradle of the Russian state.

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"germany's geographic location was an advantage when it was on the offensive in the war because it was situated next to an extremely wide river, the rhine, which was difficult for the allies to cross."

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