The essential conditions for the existence and for the sway of the bourgeois class is the formation and augmentation of capital; the condition for capital is . rests exclusively on competition between the . The advance of industry, whose involuntary promoter is the bourgeoisie, replaces the isolation of the , due to competition, by the revolutionary combination, due to association. The development of Modern Industry, therefore, cuts from under its feet the very foundation on which the bourgeoisie produces and appropriates products. What the bourgeoisie therefore produces, above all, are its own grave-diggers. Its fall and the victory of the proletariat are equally inevitable.