History 40 Foreign relations 17 Government policy 12 Social aspects 11 Aboriginal Australians 10 Politics and government 10 World War, 1939-1945 10 more ... Military relations 9 International relations 8 Political aspects 8 Immigrants 7 Indians of North America 7 Emigration and immigration 6 Law and legislation 6 Military policy 6 Race relations 6 Relations 6 Armed Forces 5 Ethnic relations 5 Indigenous peoples 5 Social conditions 5 Cultural assimilation 4 Diplomatic relations 4 Feminism 4 Government relations 4 Interracial marriage 4 Labor unions 4 Political activity 4 Prisoners and prisons, Japanese 4 Prisoners of war 4 less ...