Byzantium and Russia were different empires with many rulers in their long existence as empires.In Byzantium the emperor was called Autocrat and in the late Russian empire it was called Czar or Tsar.
The Mongols basically centralized the government, by having the princes pay tributes to the Mongol khan of the Golden Horde, Batu Khan. Also, Moscow flourished as a seat of the Russian Orthodox...
They centralized the government They were fierce, but allowed Russian people to follow their own religion. Russia was isolated from its neighbors in western Europe, so they had little access to new...