Marx described the 'Asiatic mode of production' as a system where the state or a central authority owns the land, and communities are self-sufficient. While this classification is debated among scholars, it is historically associated with Marx's view of early, non-class-based communal structures in certain Eastern societies.

Karl Marx is the central figure associated with the theory of class conflict. He argued that the history of all hitherto existing society is the history of class struggles. Marx posited that the conflict between the bourgeoisie (owners of the means of production) and the proletariat (the working class) is the fundamental driver of social change in capitalist societies.

Marx argued that 'relations of production' define the social and economic relationships between individuals and classes, particularly regarding ownership and control of the means of production. These relations determine the power dynamics and the exploitation inherent in the class structure of a given society.

Historical materialism is the methodological approach used by Marx to understand human history. It posits that the material conditions of a society's mode of production fundamentally determine its social organization and development over time, rather than ideas or consciousness alone.

Karl Marx was profoundly influenced by Ludwig Feuerbach's critique of religion. Marx adapted Feuerbach's concept of alienation, shifting the focus from the religious projection of human essence to the material alienation of the worker under capitalism. Marx argued that just as humans project their power onto gods, workers project their labor power into commodities, losing control over their own creations.

Marx argued that in a capitalist system, workers become alienated from the products of their labor, the process of production, their own human potential, and their fellow workers. This alienation occurs because the worker does not own the means of production or the final product, leading to a sense of powerlessness and estrangement from their own creative essence.

Karl Marx introduced the concept of alienation (Entfremdung) to describe the estrangement of workers from their own labor, the products they create, their fellow workers, and their own human potential under the capitalist system, where labor is treated as a commodity.

Marx famously described religion as the 'opium of the people,' arguing that it served as a tool for the ruling class to pacify the proletariat. He posited that religion provided a false sense of comfort for the suffering caused by capitalism. Therefore, he believed that once a socialist revolution abolished class exploitation and capitalist structures, the social necessity for religion would vanish.

Karl Marx argued that the value created by labor is appropriated by the capitalist class, leading to alienation. He believed that in a fair system, the workers who produce the goods should retain the value of their labor, rather than having it extracted as surplus value by owners of the means of production.

Marx contended that capitalism inherently creates conditions that lead to widespread discontent. By commodifying labor and fostering competition among workers, the system prevents individuals from achieving self-actualization. This structural inequality and the resulting alienation from their work and society lead to a pervasive sense of unhappiness and frustration, which Marx believed would eventually drive the working class toward revolutionary change.