Marx, building on Hegelian dialectics, argued that internal contradictions are the engine of change. In his view, the struggle between opposing forces—such as the bourgeoisie and the proletariat—is what drives historical development and social evolution, rather than external factors or static harmony.

Marxist theory posits that the state is an instrument of power used by the ruling class to maintain dominance over the proletariat. While Marxists often describe the state as a 'class structure' or a tool for class oppression, the provided answer identifies it as a 'power system.' This reflects the Marxist view that the state's primary function is the exercise of coercive authority to preserve existing economic relations.

Post-Marxism, as developed by thinkers like Laclau and Mouffe, critiques traditional Marxist determinism. It suggests that the working class has not acted as a singular revolutionary force, argues for the autonomy of political and ideological spheres from economic base, and reevaluates the centrality of class in socialist struggle.

Marxist theory posits that the state is not a neutral arbiter but an instrument of class rule. It is viewed as a superstructure that serves the interests of the dominant economic class, maintaining the existing social order and facilitating the exploitation of the proletariat by the bourgeoisie until the eventual transition to a classless society.

Marx argued that capital accumulation is driven by the extraction of 'surplus value' from the labor of the working class. In his analysis, the capitalist pays the worker less than the value the worker creates, and this difference—the surplus value—is appropriated by the capitalist as profit, which is then reinvested to accumulate more capital.

In Marxist theory, the dictatorship of the proletariat represents a transitional phase where the working class holds state power. The primary goal is to socialize the means of production, moving away from private ownership to ensure that resources are utilized for the collective social good, eventually leading to the abolition of class distinctions and the state itself.

Proudhon famously argued that property is theft, particularly when it allows for the exploitation of labor. He believed that unchecked private property leads to monopolistic control, which concentrates wealth and power in the hands of a few, thereby undermining individual liberty and social equality. His work laid the foundation for anarchist economic theory.

Marx viewed the state not as a neutral arbiter of justice, but as an instrument of class rule. In his analysis, the state exists to protect the interests of the dominant economic class—the bourgeoisie—and to maintain the social order that facilitates the exploitation of the proletariat. He believed that in a truly communist society, the state would eventually wither away.

Radical underdevelopment theory, often associated with dependency theorists, diverges from traditional Marxism by arguing that underdevelopment is not a preliminary stage of development, but a direct consequence of global capitalist integration. By asserting that the core exploits the periphery, these theorists reject the classical Marxist view that capitalism uniformly develops the productive forces of all nations.

Karl Marx was born in Trier, which was part of the Kingdom of Prussia (Germany) in 1818. The provided answer 'A' (Austria) is historically incorrect, as Trier was not part of the Austrian Empire. The answer key reflects a common misconception regarding the political geography of the German states during the 19th century.