History 387 Politics and government 192 Social conditions 105 Economic conditions 87 Popular music 71 History and criticism 57 Foreign relations 47 more ... Economic policy 43 Slavery 43 Black people 41 Political activity 37 Race relations 37 Social life and customs 33 Political aspects 29 Economic history 27 Social aspects 26 Political participation 25 Brazilian literature 23 Civilization 22 Art, Brazilian 21 Criticism and interpretation 21 Democracy 20 International relations 19 Enslaved persons 18 Relations 18 Foreign economic relations 17 Church history 16 Description and travel 16 Diplomatic relations 16 Indians of South America 16 less ...