Secret service World War, 1939-1945 68 History 61 Service secret 30 Campaigns 23 Guerre mondiale, 1939-1945 23 Underground movements 19 more ... Politics and government 18 Histoire 17 Operation Mincemeat 13 Mafia 12 Terrorism 9 War 9 Anti-fascist movements 8 Espionage 8 History, Military 8 Mouvements de résistance 8 Campagnes et batailles 7 Foreign relations 6 Intelligence officers 6 Intelligence service 6 Military campaigns 6 Opération Mincemeat 6 Spies 6 Deception 5 Fascism 5 Espionnage 4 Political violence 4 Politique et gouvernement 4 Antifascisme 3 less ...