Persian Gulf War, 1991 2 Causes 1 Foreign relations -- 1 Influence 1 Military Art and Science -- 1 Military policy 1 National security -- 1 more ... Officers -- 1 Persian Gulf War -- 1 Persian Gulf War, 1991 -- 1 Psychology 1 Relations -- 1 September 11 Terrorist Attack, 2001 -- 1 Sociology, Military -- 1 less ...