History 41 Relations 20 Foreign relations 9 Emigration and immigration 8 Social conditions 8 Mexican Americans 7 Politics and government 7 more ... Social aspects 7 Boundaries 6 Ethnic relations 6 Economic conditions 5 Ethnic identity 5 Influence 5 Political aspects 4 Acculturation 3 Civilization 3 Description and travel 3 Government policy 3 History, Military 3 Race relations 3 African Americans 2 Border security 2 Emigration and Immigration 2 Hispanic Americans 2 Histoire 2 Historiography 2 Illegal immigration 2 Immigrants 2 Mexican American women 2 Mexicans 2 less ...