Government policy History 39 Ethnic relations 15 Jews 13 Emigration and immigration 10 Politics and government 10 Migrations 8 more ... Social conditions 8 Foreign relations 7 Minorities 7 Nuclear weapons 7 Cultural policy 6 Persecutions 6 Research 6 Cold War 5 Cultural assimilation 4 International cooperation 4 International relations 4 Popular culture 4 Refuseniks 4 African Americans 3 Anti-racism 3 Civil rights 3 Diplomatic relations 3 Medicine 3 Multiculturalism 3 Nuclear energy 3 Racism 3 Relations 3 Social aspects 3 less ...