Early years

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Across
  1. 2. name of first Russian Siberian capital
  2. 4. first overland route that connected European Russia to the Urals
  3. 5. indigenous Siberians had to lay this
  4. 8. trading incentive for pushing East
Down
  1. 1. The leader (last name) who commanded the first expedition
  2. 3. Expansion began under this Tsar
  3. 6. of Sibir, Ruled Siberia until 1582
  4. 7. The year the first expedition began