This can be answered in any number of ways because the answer depends on which side you consider "friendly". Russians, Communists, Bolsheviks, Mensheviks, Germans, Austrians, Japanese, French, Belgiums, English, Australians, Canadians etc.
Germany
there was NO world war 11.
Germany.
The Japanesse.
Fire artillery shells at the enemy.
Germany was Britain's main enemy.
Russia was the US's main enemy after WW2
GERMANS
Japan
No.
enemy
they spied on their enemy