Foreign relations -- History -- 5 Politics and government -- 5 World politics -- 4 National security -- 2 National socialism -- 2 Psychological aspect 2 more ... World War, 1914-1918 -- 2 Civilization 1 Cold War 1 Communication in politics 1 Communication in politics -- 1 Congresses -- 1 Defenses 1 Diplomacy 1 Diplomacy -- 1 Economic conditions -- 1 Foreign relations 1 Geopolitics -- 1 German reunification question (1949-1990) 1 Great powers 1 Historiography -- 1 History. -- 1 Imperialism -- 1 International cooperation 1 International relations 1 International relations -- 1 Intervention (Internation al law) 1 Iraq War, 2003-2011 -- 1 Jihad 1 less ...