History Discovery and exploration 25 Spanish 21 Politics and government 13 Foreign relations 9 Hispanic Americans 8 Histoire 8 more ... Civilization 7 Description and travel 7 Indians of North America 7 Colonies 6 Explorers 6 Indians 6 Emigration and immigration 5 African Americans 4 Ethnic relations 4 Indians, Treatment of 4 Mexican Americans 4 Relations 4 Social conditions 4 Civil rights 3 Civil rights movements 3 Diplomatic relations 3 Historia 3 Historiography 3 Intellectual life 3 Mexican War, 1846-1848 3 Participation, Spanish 3 Public opinion 3 Race relations 3 less ...