European Economic Community countries -- Politics and government 3 Economic integration 2 Economic policy 2 Environmental policy -- 2 Congresses 1 Congresses -- 1 more ... Cost effectiveness 1 Eastern Economic Community Ccountries -- 1 Economic integration -- 1 Environmental law -- 1 European cooperation 1 Foreign economic relations 1 Foreign relations 1 International cooperation -- 1 International economic relations 1 Regionalism -- 1 Social aspects 1 less ...