World War, 1939-1945 History 55 Underground movements 22 Jews 20 Campaigns 16 Man-woman relationships 15 Holocaust, Jewish (1939-1945) 12 more ... Soldiers 11 Children 7 War 7 Prisoners of war 6 Women 6 Families 5 Internment camps 5 Motion pictures and the war 5 Nazi concentration camps 5 Persecutions 5 Rescue 5 Atrocities 4 Concentration camps 4 Naval operations 4 Prisoners and prisons, German 4 Sea control 4 Submarines (Ships) 4 War and motion pictures 4 Adultery 3 Collaborationists 3 Participation, Italian 3 Prisoners and prisons, Japanese 3 Psychology 3 less ...