Government policy History 53 Emigration and immigration 31 Histoire 20 Politique gouvernementale 18 Émigration et immigration 8 Foreign relations 8 more ... Immigrants 7 Politics and government 7 Nuclear nonproliferation 6 Einwanderungspolitik 5 Immigratie 5 Overheidsbeleid 5 Politique et gouvernement 5 Diplomatic relations 4 Einwanderung 4 Geschichte 4 Human rights 4 Nuclear arms control 4 Nuclear weapons 4 Race relations 4 Civil rights 3 Colonies 3 Foreign workers 3 Refugees 3 Réfugiés 3 Social aspects 3 15.85 history of America 2 Affirmative action programs 2 Detention of persons 2 less ...