International relations Foreign relations 83 History 38 Relations 36 Politics and government 21 Economic conditions 12 Social conditions 12 more ... Mexican Americans 6 Diplomatic relations 5 Economic history 5 Ethnic relations 5 Mexicans 5 Nationalism 5 Social aspects 5 Civilization 4 Emigration and immigration 4 Ethnic identity 4 Foreign economic relations 4 Influence 4 International economic relations 4 Mexican War, 1846-1848 4 National security 4 Petroleum industry and trade 4 Boundaries 3 Commerce 3 Diplomatic history 3 Hegemony 3 Historiography 3 Immigrants 3 Americans 2 less ...