Politics and government -- 6 Foreign relations -- 4 European economic community -- 3 Causes 1 Commonwealth countries 1 Commonwealth countries -- 1 Congresses -- 1 more ... Economic conditions -- 1 Economic integration 1 Economic policy -- 1 European communities 1 Forecasting 1 Foreign economic relations 1 Foreign economic relations 1 Foreign rrelations -- 1 History -- 1 National security -- 1 Regional planning -- 1 Regionalism -- 1 Social conditions -- 1 World War, 1939-1945 -- 1 World war, 1914-1918 -- 1 less ...