Politics and government -- 9 Foreign relations -- 6 History -- 5 Economic conditions -- 2 Economic integration 2 German reunification question (1949-1990) 2 Relations -- 2 more ... Armed forces -- 1 Biography -- 1 Communism -- 1 Congresses -- 1 Economic aspects 1 Economic policy -- 1 Foreign economic relations -- 1 Foreign relations 1 German reunification question (1949-1990) -- 1 Heads of state -- 1 Influence 1 National security -- 1 Reconstruction (1914-1939) 1 Reorganization 1 Security, International 1 Unification -- 1 Unification, 1990 1 World War, 1914-1918 -- 1 World war, 1914-1918 -- 1 less ...