Foreign relations International relations 83 History 46 Diplomatic relations 40 Politics and government 27 Economic conditions 14 Social conditions 13 more ... Drug traffic 11 Drug control 10 Mexican Americans 9 World War, 1939-1945 9 Emigration and immigration 8 Relations 8 Ethnic identity 7 Foreign economic relations 7 Emigration and immigration law 6 Government policy 6 Mexicans 6 National security 6 Petroleum industry and trade 6 Civil rights 5 Ethnic relations 5 International cooperation 5 Prevention 5 Social aspects 5 Border security 4 Diplomatic history 4 Discrimination in employment 4 Economic history 4 Employment 4 less ...