Congresses -- Congresses 9 National security -- 4 Economic conditions -- 3 Foreign economic relations -- 3 Politics and government -- 3 Strategic aspects -- 3 more ... Foreign relations -- 2 Sea-power -- 2 Congresse 1 Congresses. -- 1 Cpongresses 1 Economic conditions 1 Economic forecasting -- 1 Forecasting -- 1 Marine resources -- 1 Military relations -- 1 Naval strategy -- 1 Pacific Area cooperation -- 1 Philosophy, Oriental -- 1 Relations -- 1 Security, International -- 1 Social conditions -- 1 less ...