Karl Marx and Frederick Engles: -Wanted to find models that would be able to counter capitalism, Marx would go on to write the Communist Manifesto, created the idea of the Superstructure of Society: Class, govt. structures, laws, labor in itself as a commodity, with the manifesto Marx wanted to challenge the idea of capitalism, fight against the bourgeoise who owned the means of production and fight for the proletariat who were the workers, tried to bring class warfare, fight the exploitation of the working class, Marxism and the Worker's Revolution