Safety measures 2 Terrorism -- 2 Economic aspects 1 Effect of terrorism on 1 Foreign relations 1 History -- 1 Influence 1 more ... International trade -- 1 Islam 1 Islam -- 1 Islam and politics -- 1 Islam and state -- 1 Maritime Terrorism -- 1 National security -- 1 Navigation -- 1 Piracy -- 1 Pirates -- 1 Religious aspects -- 1 Safety measures. -- 1 September 11 Terrorist Attacks, 2001 -- 1 Shipping -- 1 Strategic aspects 1 less ...