It depends whos side you are on. To the communists, the answer would be the Allies. To the Allies, the answer would be the Soviet Union.
People who sided with Britain in the world wars are known as allies.
FDR - Stalin - Churchill .
Allies
I didn't fight at all, which side did you fight on.
Allies
The Allies.
Allies
allies
He was with The Allies in World War 2.
Allies
World War 2 was of two alliances. The Axis, and the Allies. Great Britain and U.S.A were on the Allies side.