History -- Politics and government -- 5 Civil war -- 1 Ethnicity -- 1 Foreign relations -- 1 German reunification question (1949-1990) 1 Justice, Administration of -- 1 more ... National characteristics 1 National security -- 1 Nationalisme -- 1 Operation Allied Force, 1999 1 Relations -- 1 Semiotics 1 Social change -- 1 Social conditions -- 1 less ...