Marx's theory of history is based on the idea that the class struggle is the driving force of history. He argued that the mode of production determines the social structure, and that the state is a tool of class oppression.

The bourgeoisie is the class of people who own the means of production, while the proletariat is the class of people who do not own the means of production and must sell their labor to the bourgeoisie in order to survive.

Marx argued that the state is a tool of class oppression, used by the bourgeoisie to maintain their power and control over the proletariat.

Marx's ultimate goal was to overthrow capitalism and establish a communist society, in which there would be no class divisions, no private property, and no state.

Utilitarianism is a moral theory that holds that the best action is the one that produces the greatest amount of happiness for the greatest number of people. It is not a key concept in Marx's theory, which is based on the idea of class struggle.

Surplus value is the value of the labor that workers produce over and above the value of their own wages. Alienation is the process by which workers are separated from the products of their labor and from the process of production itself. Commodification is the process by which everything, including labor, is turned into a commodity to be bought and sold.

Marx argued that ideology is a system of beliefs that serves to justify the interests of the ruling class. He also argued that ideology is a false consciousness that prevents workers from seeing the true nature of their exploitation. However, he also recognized that ideology is a necessary part of any society, as it provides a shared set of values and beliefs.

Marx's theory is a critique of other social theories, such as liberalism and utilitarianism. He argued that these theories are based on false assumptions about human nature and society.

Marx's theory has had a profound impact on the development of social and political thought. It has inspired revolutionary movements around the world and has been used to justify totalitarian regimes. However, it has also been used to promote social justice and equality.

Marx's theory has been criticized for being based on a false understanding of human nature, for being too deterministic, and for being utopian.

Marx's theory is still relevant today because it provides a valuable critique of capitalism, offers a vision of a more just and equitable society, and has inspired social movements around the world.

Marx's theory of alienation is based on the idea that workers are alienated from their labor, from the products of their labor, from their fellow workers, and from their own human nature. Key concepts in this theory include estranged labor, commodity fetishism, and reification.

Marx argued that alienation is the cause of class struggle, and that class struggle is the way to overcome alienation. He saw alienation and class struggle as two sides of the same coin.

Marx argued that the proletariat is the revolutionary class, the class that will overthrow capitalism and create a communist society.

Marx's ultimate goal was to create a classless society, to end all forms of oppression and exploitation, and to achieve communism.