England and russia they launched a ground invasion of russia but never completely conquered.
In World War II the US fought with France,(before it was conquered by Germany) Great Britain(or England), Canada, Australia, China, Russia(After Russia was attack by Germany) and i think that's it. Their main allies were Russia and England.
Russia
In World War 2 Germany had already defeated France when they declared war on Russia. At the time that Germany invaded Russia, Britain was the only major power at war with Germany and Britain didn't have the resources to mount an attack against mainland Europe. Germany was unable to attack England across the channel so Hitler decided to divert his attention to Russia before Stalin made his military forces any stronger.
Operation Barbarossa .
it was when Germany broke the peace treaty and attack russia on 1942 with 300000 men and 3000 tanks
Russia directly attacked Germany and Austria-Hungary.
They started to begin their plans to attack england
Firstly its Austria And Hungary and no they didnt, Germany declared war on russia.
Because He Wanted Control of Eastern Europe But Russia was in the way because of European Russia
Britain attacked western front as Germany threatened Russian and Britain had an agreement with Russia if someone attacks Russia , Britain has to back them up therefore because Germany threatened Russia , Britain has to back Russia up and join their army to attack The Triple Alliance.
no but he did attack the USSR (Soviet Union)