USSR
Joseph Stalin allied the USSR with the Allies.
Stalin was the ruler of the USSR and therefore had no superior.
Joseph Stalin was the leader of the USSR (Russia)
what altered relationship between US and USSR after death of Stalin
The USSR.
Yes, Stalin had Trotsky killed eventually. However, before that he had Trotsky kicked out of USSR politics and then the USSR itself.
Yes, Joseph Stalin was.
Josef Stalin was the leader of the USSR in ww2
Stalin promised protection and to work with the USSR.
Stalin
no