Diplomatic history Foreign relations 2 Nineteen seventeen, A.D. 2 World War, 1914-1918 2 Arms control 1 Coalitions 1 Disarmament 1 Europe 1 Germany 1 Great Britain 1 Influence 1 Influence (Literary, artistic, etc.) 1 Iraq War (2003-2011) 1 Korea (South) 1 Military participation--Foreign 1 Napoleonic Wars (1800-1815) 1 Political science 1 Politics and government 1 Turkey 1 Vietnamese conflict 1 World War 1 World War, 1939-1945 1