Imperialism History 410 Colonies 132 Foreign relations 132 Politics and government 82 Social aspects 80 Political aspects 54 Territorial expansion 54 Colonization 35 Philosophy 34 Relations 33 Civilization 30 Economic conditions 30 Historiography 29 Social conditions 29 Nationalism 28 Public opinion 27 Economic aspects 26 Race relations 26 Globalization 25 World politics 25 Racism 24 Political culture 22 Immigrants 21 Labor 20 Capitalism 19 Ethnic relations 19 History and criticism 19 Industries 18 Decolonization 17