Civilization Social conditions History 178 Economic conditions 72 Politics and government 68 Social aspects 50 Social life and customs 40 more ... Economic history 34 Popular culture 29 Intellectual life 26 Women 25 Race relations 21 Social change 21 Manners and customs 17 Relations 14 Ethnic relations 13 Political culture 13 History and criticism 12 Influence 12 Sex role 12 African influences 11 Ethnic identity 11 National characteristics, American 11 Historiography 10 Memory 10 Black people 9 Collective memory 9 Conditions sociales 9 Cultural pluralism 9 Group identity 9 less ...