"Yes. A threat to peace."
Capitalism had just caused World War One - that's what gave the Russian Revolution its incentive
German industrial capitalism would go on to bring about World war two
In the intervening period 14 capitalist countries invaded the Soviet Union, which at the time had virtually no army as it had been dismantled in 1917, no industry to manufacture weapons and a semi-feudal peasantry
what peacew would that be a "threat" to exactly.
Stalin's excesses had s.f.a. to do with the ideals of Bolshevism.
The Soviet Union was never an ally of Hitler - though the British establishment was right up too the point when it was given no alternative.   
The U.S. did nothing to halt the rise of Fascism until Pearl harbour
Jim Carroll