Imprisonment Political prisoners 14 History 12 Politics and government 11 World War, 1939-1945 5 Anti-apartheid movements 3 Civil rights 3 more ... Concentration camps 3 Government, Resistance to 3 Journalists 3 Prisoners of war 3 Civilization, Medieval 2 Crusades 2 Holocaust, Jewish (1939-1945) 2 Jews 2 Prisoners and prisons 2 Refuseniks 2 Social conditions 2 Totalitarianism 2 Trials, litigation, etc 2 21st Century 1 Americans 1 Anti-fascist movements 1 Arab-Israeli conflict 1 Authors, Greek (Modern) 1 Campaigns 1 Chivalry 1 Civil supremacy over the military 1 Collective memory 1 Community life 1 less ...