Foreign relations 6 Foreign economic relations 3 National security -- 3 Security, International 3 Balance of power 1 Congresses -- 1 Defense industries -- 1 more ... Economic aspects -- 1 Economic integration 1 Foreign relations -- 1 Globalization -- 1 Influence 1 International relations 1 Military policy -- 1 Regionalism -- 1 Security 1 Security, International -- 1 Security, interntional 1 September 11 Terrorist Attacks, 2001 -- 1 less ...