The main instrument with which the Bolsheviks imposed communism on Russia was the Red Army. Traditionally the origins of this army were among the factory workers who laid down their tools and took up arms as a way of expressing their grievances. Already formed by the time of the revolutions of 1905 and February 1917, these militant workers organised themselves into parliamentary detachments known as the krasnogvardeytsi, or 'Red Guards'. In this first...