▁increasing ▁t ension ▁between ▁Israel ▁and ▁neighbor ing ▁Arab ▁states , ▁especially ▁Egypt . ▁At ▁the ▁same ▁time , ▁the ▁Palest ine ▁Liber ation ▁Organ ization ▁launched ▁terror ist ▁attacks ▁against ▁Israel ▁from ▁bases ▁in ▁the ▁West ▁Bank ▁and ▁the ▁Gol an ▁He ights . ▁The ▁Johnson ▁administration ▁attempted ▁to ▁medi ate ▁the ▁conflict , ▁but ▁communic ated ▁through ▁Fort as ▁and ▁others ▁that ▁it ▁would ▁not ▁opp ose ▁Isra eli ▁military ▁action . ▁On ▁June ▁ 5 , ▁ 1 9 6 7 , ▁Israel ▁launched ▁an ▁attack ▁on ▁Egypt , ▁Sy ria , ▁and ▁Jordan , ▁beginning ▁the ▁Six - Day ▁War . ▁Israel ▁quickly ▁seized ▁control ▁of ▁Gaz a , ▁the ▁West ▁Bank , ▁East ▁Jerusalem , ▁and ▁the ▁S ina i ▁Pen ins ula . ▁On ▁June ▁ 8 , ▁the ▁Isra eli ▁military ▁attacked ▁a ▁U . S . ▁vessel ▁in ▁what ▁became ▁known ▁as ▁the ▁USS ▁Liber ty ▁incident ; ▁the ▁reason ▁for ▁the ▁attacks ▁remains ▁the ▁subject ▁of ▁controvers y , ▁but ▁the ▁United ▁States ▁accepted ▁an ▁in dem n ity ▁and ▁an ▁official ▁ap ology ▁from ▁Israel ▁for ▁the ▁attack . ▁As ▁Isra eli ▁forces ▁closed ▁in ▁on ▁the ▁Sy rian ▁capital ▁of ▁Dam asc us , ▁the ▁Soviet ▁Union ▁threatened ▁war ▁if ▁Israel ▁did ▁not ▁agree ▁to ▁a ▁ce ase ▁fire . ▁Johnson ▁press ured ▁the ▁Isra eli ▁government ▁into ▁accepting ▁a ▁ce ase ▁fire , ▁and ▁the ▁war ▁ended ▁on ▁June ▁ 1 1 . ▁In ▁the ▁after math ▁of ▁the ▁war ,