Colonies History 200 Imperialism 53 Administration 40 Politics and government 37 Foreign relations 26 Decolonization 21 Economic conditions 18 Race relations 18 Social conditions 15 Colonization 14 Postcolonialism 13 Slavery 13 Women 13 Civilization 12 Economic policy 12 Slave trade 12 Social aspects 12 Public opinion 11 Political aspects 9 Slavery in literature 9 Emancipation 8 Emigration and immigration 8 Indigenous peoples 8 Slaves 8 Commerce 7 Nationalism 6 Racism 6 British 5 Colonial influence 5