History 122 Historia 65 Politics and government 32 Foreign relations 31 Discovery and exploration 27 Race relations 22 Social conditions 22 más ... Spanish 19 African Americans 18 Emigration and immigration 18 Indians 16 Descubrimiento y exploración 13 General 13 Indians of North America 13 Mexicans 13 Relations 12 Mexicanos 11 Political aspects 11 Racism 11 World politics 11 Relaciones exteriores 10 Social aspects 10 América del sur 9 América latina 9 Antiquities 9 Capitalism 9 Guerra 9 Latin america 9 Mexican Americans 9 South america 9 menos ...