         Sentence “4:."Nigeria “and. other  African’ “oil... prodicérs..-are  incréasingly- ‘important’ in “U.S.  plans,;to . lessen... dependence: on"  Middle. Eastern: supplier's... for  ‘it’s eneray Security. e :    “Sentencé “Bt Nigeria and: other.  Rérican 27°! producers 02" are  in¢reasingly.. important. in’. the  fokmer’ Texas oilman 1S plans::t0  “essen” dependence on. Middle  Eastern: .’suppliers: “for. éhergy  “security”: :                