Politics and government -- 19 Foreign relations -- 6 History -- 4 Economic integration 3 National security -- 3 Boundaries 2 Economic conditions -- 2 more ... Ethnicity -- 2 Relations -- 2 Social conditions -- 2 Territory, National -- 2 Armed Forces 1 Citizenship -- 1 Congresses -- 1 Defenses 1 Democracy -- 1 Diplomatic history 1 Economic conditions - 1989- 1 Ethnic relations 1 European Federation 1 European Union 1 German reunification question (1949-1990) 1 Group identity -- 1 Human geography -- 1 International agencies -- 1 Internet in public administration -- 1 Iraq War, 2003 -- 1 Iraq War, 2003- 1 Justice, Administration of -- 1 National characteristics 1 less ...