Imperialism Social conditions History 63 Social aspects 36 Colonies 28 Politics and government 23 Race relations 20 more ... Ethnic relations 16 Social change 14 Economic conditions 9 Civilization 8 Colonization 8 Foreign relations 8 Human body 8 Racism 7 Administration 6 Attitudes 6 Community life 6 Nationalism 5 Relations 5 Economic aspects 4 Frontier and pioneer life 4 Immigrants 4 Indians of North America 4 Sex role 4 African Americans 3 Colonists 3 Cultural pluralism 3 Ethnic identity 3 Filipino Americans 3 less ...