Historical materialism Dialectical materialism 4 Communism 3 Historiography 3 Act (Philosophy) 2 Agent (Philosophy) 2 History 2 Marxist criticism 2 Philosophy 2 Philosophy, Marxist 2 Structuralism 2 Capitalism 1 Civilization 1 Communism and society 1 Ecology 1 Engels,Friederich 1 Ethnology-congresses 1 Ideology 1 Karl Marx 1 Marx,Karl,1818-1883 1 Marxian economics 1 Marxian economics--Philosophy 1 Marxian historiography 1 Marxist Economics 1 Power (Social sciences) 1 Pragmatics 1 Revolution 1 Revolutions 1 Social Sciences 1 Social conditions 1