At first with German then against
UK, USSR and France
The British and the USSR fought along side the United States during this war.
Yes
The same as in World War I : the Allies consisting of the Free French, the USSR, the UK, and the other Commonwealth countries.
Korea did not fight in world war 2. So the answer is no.
The USSR by invading country's and not leaving them after the war.
USSR truly entered the war with the invasion of Russia. They were wasting the time with the Russo-Finnish war.
China, USA and USSR
joseph stalin
USSR and america
Soviet Russia
Germany and USSR