Government policy History Emigration and immigration 20 Politics and government 20 Ethnic relations 10 Jews 9 Social conditions 9 Foreign relations 8 Nuclear weapons 8 Prevention 8 Women 8 Political aspects 7 World War, 1939-1945 6 Economic policy 5 Immigrants 5 Imperialism 5 Legal status, laws, etc 5 Military policy 5 Colonies 4 Race relations 4 Social policy 4 Terrorism 4 Agriculture and state 3 Decolonization 3 Law and legislation 3 Moral and ethical aspects 3 National socialism 3 Persecutions 3 Political activity 3 Poor 3