Foreign relations -- 6 Politics and government -- 6 History -- 3 National security -- 2 Boundaries 1 Cold War 1 Diplomatic history 1 more ... Economic integration 1 European Union 1 German reunification question (1949-1990) 1 Iraq War, 2003 -- 1 Iraq War, 2003- 1 North Atlantic Treaty Organization 1 Operation Allied Force, 1999 1 Policy networks -- 1 Regional planning -- 1 Regionalism -- 1 Relations -- 1 Territory, National -- 1 World politics -- 1 less ...