Into the simple process of production, the division of labor was gradually interpolated. It undermined the communism of production and consumption, it made the appropriation of products by single individuals the prevailing rule, and thus introduced the exchange between individuals, in the manner mentioned above. Gradually, the production of commodities became the rule.
This mode of production for exchange, not for home consumption, necessarily passes the products on from hand to hand. The producer gives his product away in exchange. He does no longer know what becomes of it. With the advent of money and of the trader who steps in as a middleman between the producers, the process of exchange becomes still more complicated. The fate of the products becomes still more uncertain. The number of merchants is great and one does not know what the other is doing. The products now pass not only from hand to hand, but also from market to market. The producers have lost the control of the aggregate production in their sphere of life, and the merchants have not yet acquired this control. Products and production become the victims of chance. But chance is only one pole of an interrelation, the other pole of which is