Congresses -- Congresses 20 Foreign relations -- 7 Politics and government -- 7 Economic conditions -- 6 National security -- 6 Economic policy -- 4 more ... Foreign economic relations -- 4 Strategic aspects -- 4 Relations -- 3 Sea-power -- 3 Communism -- 2 Energy policy -- 2 Investments, Foreign -- 2 Marine resources -- 2 Military relations -- 2 Commerce -- 1 Commercial policy -- 1 Communist parties -- 1 Congresse 1 Congresses. -- 1 Cpongresses 1 Defenses -- 1 Democratization -- 1 Economic conditions 1 Economic forecasting -- 1 Economic integration -- 1 Energy consumption -- 1 Energy development -- 1 Energy industries -- 1 less ...