History -- 9 Unification, 1990 Economic conditions -- 3 Foreign relations -- 2 Politics and government -- 2 Strategic aspects 2 Constitutional 1 more ... Economic integration 1 Economic policy 1 Economic policy -- 1 European economic community 1 Federal government -- 1 Foreign economic relations 1 International division of labor 1 International economic relations 1 Korean reunification question (1945- ) 1 Political culture -- 1 Politics and government 1 Social conditions -- 1 less ...