▁Mc M ah on ▁convey ed ▁the ▁British ▁government ' s ▁agreement ▁to ▁recognize ▁Arab ▁independence ▁over ▁an ▁area ▁that ▁was ▁much ▁more ▁limited ▁than ▁what ▁Hus sein ▁had ▁asp ired ▁for . ▁The ▁Arab ▁revol t , ▁an ▁Ang lo - Hash em ite ▁plot ▁in ▁its ▁ess ence , ▁broke ▁out ▁in ▁June ▁ 1 9 1 6 . ▁Britain ▁fin anced ▁the ▁revol t ▁and ▁supplied ▁arms , ▁prov isions , ▁direct ▁art illery ▁support , ▁and ▁exper ts ▁in ▁desert ▁war fare ▁including ▁the ▁soon ▁to ▁be ▁famous ▁T . ▁E . ▁Lawrence . ▁The ▁Hash em ites ▁promised ▁more ▁than ▁they ▁were ▁able ▁to ▁deliver , ▁and ▁their ▁am bit ious ▁plan ▁col lapsed . ▁There ▁were ▁only ▁a ▁small ▁number ▁of ▁Sy rian ▁and ▁Ira qi ▁national ists ▁who ▁joined ▁under ▁the ▁Sh ar if an ▁b anner ▁while ▁others ▁remained ▁loyal ▁to ▁the ▁Ott oman ▁s ultan . ▁ ▁Sh ar if ▁Hus sein ▁bin ▁Ali ▁re bel led ▁against ▁the ▁rule ▁of ▁the ▁Ott om ans ▁during ▁the ▁Arab ▁Revol t ▁of ▁ 1 9 1 6 . ▁For ▁Hash em ite ▁contribution ▁to ▁the ▁Al lied ▁forces ▁effort ▁to ▁bring ▁down ▁the ▁Ott oman ▁Empire , ▁Britain ▁promised ▁its ▁support ▁for ▁Arab ▁independence . ▁However , ▁the ▁Mc M ah on – H us sein ▁correspond ence ▁left ▁territorial ▁limits ▁gover ning ▁this ▁promise ▁obsc ure ly ▁defined ▁leading ▁to ▁a ▁long ▁and ▁bitter ▁disag re ement ▁between ▁the ▁two ▁sides . ▁ ▁Post