Social change 18 Social change -- 10 Culture 9 Politics and government -- 7 History -- 4 Social history -- 4 Civilization, Modern -- 3 more ... Social conditions 3 Social conditions -- 3 Economic conditions 2 Economic conditions -- 2 Intellectual life 2 Political stability 2 Regression (Civilization) 2 Relations -- 2 20th century 1 Arabism 1 Baltic States -- 1 Civilisation -- 1 Civilization, Arab -- 1 Congresses 1 Cultural policy 1 Culture -- 1 Economic Policy -- 1 Economic condition 1 Economic development -- 1 Economic history -- 1 Emigration and immigration 1 Industrialization -- 1 International relations 1 less ...