In order to comprehend the claim made by Marx one would have to understand the bourgeoisie and proletariat classes,
the proletariat are those who control no significant means of production and must make a living by selling the use of their labor powers to other who do. The bourgeoisie are these others, people exercising significant control over means of production and mainly deriving their income from the sale of what proletarians working these means produce. The two classes are "two great hostile camps," since the competitive bourgeois drive for profits creates relentless pressure to reduce wages and to eliminate individualized ways of working that conflict with industrial routines (Miller, 408).
A general definition provided by Richard Miller, from an introduction to Karl Marx, allows an understanding of the two classes. With history of class conflicts and the rise of capitalism, Marx claims that the bourgeoisie have created their own gravediggers.
The development of modern industry, therefore, cuts from under its feet the very foundation on which the
Cited: Marx, Karl. Economic and Philosophic Manuscripts of 1844. In Political Philosophy; The Essential Texts. Steven M. Cahn ed. New York: Oxford University Press 2005. Marx, Karl. Manifesto of the Communist Party. In Political Philosophy; The Essential Texts. Steven M. Cahn ed. New York: Oxford University Press 2005. Miller, Richard. Karl Marx and Friedrich Engels. In Political Philosophy; The Essential Texts. Steven M. Cahn ed. New York: Oxford University Press 2005. Walker, Kathryn. Social and Political Philosophy, Philo: 2060. York University. 20 July 2005.