The U.S.S.R
UA
Warsaw Pact : Enemy units may take extra damage inside your borders, or in the borders of your allied city states or civilizations with whom you share and ideology. Earn influence per turn with city states from which you demand tribute.
UB
Commissariat : +10% production toward land units for every city state connection. reduces enemy spy effectiveness by 25%.
UU 1
IS-2 : Cheaper replacement for the tank. May attack twice whilst in friendly territory, or when in territory belonging to an allied city state or civilization with a shared ideology.
The U.S.S.R was a civ in the Civ Battle Royale. It is currently eliminated in 28th place. It's original capital was Moscow. It was lead by Joseph Stalin.