History 2,248 Politics and government 1,305 Indians of South America 615 Social conditions 448 Civilization 399 Black people 307 Social life and customs 297 more ... Foreign relations 255 Description and travel 236 Race relations 220 Economic conditions 173 Government relations 134 Historiography 113 Intellectual life 108 Relations 93 Presidents 90 Political activity 89 Antiquities 80 Immigrants 72 Slavery 71 Biography 70 Racism 70 Politicians 67 Race identity 66 Religion 65 Blacks 62 Emigration and immigration 61 Ethnic relations 60 Sources 60 African influences 56 less ...