World War, 1939-1945 History 98 Atrocities 13 Campaigns 11 Politics and government 11 Social aspects 10 Communism 9 more ... History and criticism 9 National socialism 9 Holocaust, Jewish (1939-1945) 7 Literature and the war 7 Refugees 6 Underground movements 6 World War, 1914-1918 6 Influence 5 Social life and customs 5 Anti-fascist movements 4 Concentration camps 4 Destruction and pillage 4 Ethnic relations 4 History, Military 4 Jews 4 Political aspects 4 Propaganda 4 Secret service 4 Social conditions 4 African Americans 3 Agriculture 3 Emigration and immigration 3 Foreign relations 3 less ...