Causes Foreign relations -- 3 September 11 Terrorist Attacks, 2001 -- 3 Cold War 1 Drug traffic -- 1 Forecasting -- 1 History 1 more ... History -- 1 History -- 1 Influence 1 Intervent 1 Iraq War, 2003-2011 -- 1 Islam and politics -- 1 Military -- 1 Military aspects -- 1 Persian Gulf War, 1991 -- 1 Petroleum industry and trade -- 1 Political aspects 1 Political aspects -- 1 Political aspects -- 1 Terrorism -- 1 War -- 1 War on Terrorism, 2001-2009 -- 1 World War, 1914-1918 -- 1 World War, 1939-1945 -- 1 less ...