ak ▁Shah , ▁on ▁the ▁throne ▁once ▁again . ▁ ▁M ub ar ak ▁Shah ▁was ▁the ▁first ▁Ch ag ata i ▁k han ▁to ▁be ▁converted ▁to ▁Islam . ▁His ▁rule ▁was ▁cut ▁short ▁by ▁his ▁cousin ▁G hi y as - ud - din ▁Bar a q , ▁who ▁de posed ▁him ▁with ▁the ▁support ▁of ▁Kub la i ▁Khan . ▁ ▁Re ign ▁of ▁Ka id u ▁( 1 2 6 6 – 1 3 0 1 ) ▁ ▁G hi y as - ud - din ▁Bar a q ▁came ▁into ▁conflict ▁with ▁Kub la i ▁Khan ▁on ▁the ▁administration ▁of ▁the ▁Tar im ▁Bas in . ▁Bar a q ▁drove ▁out ▁an ▁agent ▁sent ▁by ▁Kub la i ▁to ▁govern ▁the ▁region ▁and ▁when ▁Kub la i ▁sent ▁a ▁det achment ▁of ▁ 6 , 0 0 0 ▁hors emen , ▁Bar a q ▁met ▁them ▁with ▁ 3 0 , 0 0 0 ▁men , ▁forcing ▁them ▁to ▁retre at . ▁Bar a q ▁also ▁came ▁into ▁conflict ▁with ▁Ka id u , ▁who ▁en list ed ▁the ▁Golden ▁Hor de ▁k han ▁M engu - Tim ur ▁in ▁attack ing ▁Bar a q . ▁With ▁a ▁Golden ▁Hor de ▁army ▁of ▁ 5 0 , 0 0 0 ▁at ▁his ▁back , ▁Ka id u ▁forced ▁Bar a q ▁to ▁fle e ▁to ▁Trans ox ania . ▁In ▁ 1 2 6 7 , ▁Bar a q ▁accepted ▁peace ▁with ▁Ka id u , ▁and ▁rel