World War, 1914-1918 History 110 Guerre mondiale, 1914-1918 95 Campaigns 49 Foreign relations 48 Politics and government 48 Economic aspects 47 more ... Regimental histories 44 Causes 43 Atrocities 29 Peace 25 Naval operations 23 Diplomatic history 20 Finance 20 War 20 Germans 16 Military campaigns 16 Erster Weltkrieg 15 Histoire 15 Territorial questions 15 Diplomatic relations 14 Pangermanism 13 Armed Forces 12 Soldiers 12 War work 12 German Americans 11 Neutrality 11 Public opinion 11 Reconstruction (1914-1939) 10 Women 10 Campagnes et batailles 9 Civilian relief 9 Defenses 9 Economic conditions 9 Jews 9 Political activity 9 Registers, lists, etc 9 Submarine 9 World War, 1939-1945 9 African Americans 8 less ...