Congresses -- 7 Security, International -- 4 Congresses 3 Foreign relations -- 3 Terrorism -- 3 Conflict management -- 2 Foreign Relations -- 2 more ... Hijacking of ships -- 2 Pirates -- 2 Security -- 2 Strategic aspects 2 Commercial treaties -- 1 Conflict management 1 Defence -- 1 Defence industries -- 1 Government policy -- 1 History -- 1 Insurgency -- 1 International cooperation 1 International cooperation -- 1 International relations 1 Islam and politics -- 1 Islam and state -- 1 Islamic fundamentalism -- 1 Merchant marine -- 1 Modern World System Theory 1 National security -- 1 Naval strategy -- 1 Politics and government 1 Politics and government -- 1 less ...