...among them the knowledge is spreading, that they must not look for their enemy across the frontiers, or across the North Sea; no, their implacable foe is entrenched in the institutions of their own Fatherland. It is Capitalism, it is the power of the possessing classes to exploit and rule the laboring people. They know this monstrous power is the common enemy of the wage-earners, the laboring people in all countries.