History 153 Colonies 122 Politics and government 31 Administration 28 British colonies 27 Indians of North America 17 Spanish colonies 14 more ... Race relations 12 Commerce 11 History and criticism 11 Slavery 11 Frontier and pioneer life 10 Ethnic relations 9 French colonies 9 Government relations 9 Imperialism 9 Slave trade 9 Economic conditions 8 Social life and customs 8 Discovery and exploration 7 English literature 7 Manners and customs 7 Social conditions 7 British 6 Civilization 6 Colonization 6 Discoveries in geography 6 French 6 Histoire 6 International relations 6 less ...