Foreign relations Terrorism -- Prevention 3 National security -- 2 Terrorism 2 Economic development 1 International relations 1 more ... Navigation -- 1 Piracy -- 1 Pirates -- 1 Politics & government 1 Safety measures. -- 1 September 11 Terrorist Attacks, 2001 1 Social conflict 1 Southeast Asia 1 Southeast Asia -- 1 Strategic aspects 1 Terrorism and mass media 1 United States 1 less ...