Japan did not join the Central powers, it joined the allied powers.
The main Allied Powers in World War 2 were the US, USSR and the British Empire.
Allied Powers has 22 members, Axis has 7 members. :)
Allied powers* because they were attacked by Japan.
Yes, Stalin/USSR fought on the side of the allied powers in WW II
we didn't. the US joined the Allied powers.
The USA, Great Britian, and the USSR.
USSR Britain US
UK, US and USSR.
France, Britan, China, USSR and the US.
Britain & Russia (USSR) were fighting Germany; China was fighting Japan.
As soon as Germany invaded Russia in June 1941.