, ▁which ▁collect ively ▁domin ated ▁H oms , ▁all ▁opt ed ▁to ▁recognize ▁I bn ▁al - Z ub ay r . ▁Mar wan ▁ibn ▁al - H ak am , ▁the ▁leader ▁of ▁the ▁Um ay y ads ▁exp elled ▁to ▁Sy ria ▁from ▁Med ina , ▁was ▁prepared ▁to ▁submit ▁to ▁I bn ▁al - Z ub ay r ▁as ▁well , ▁but ▁was ▁instead ▁persu aded ▁to ▁forward ▁his ▁candid acy ▁for ▁the ▁cal i ph ate ▁by ▁U bay d ▁Al lah , ▁who ▁had ▁fled ▁to ▁Sy ria ▁after ▁being ▁driven ▁out ▁of ▁Ira q ▁and ▁stro ve ▁to ▁u ph old ▁Um ay y ad ▁rule . ▁During ▁a ▁sum mit ▁of ▁pro - U may y ad ▁Sy rian ▁tribes , ▁namely ▁the ▁Q uda ' a ▁and ▁their ▁Kind ite ▁al lies , ▁organized ▁by ▁I bn ▁Bah dal ▁in ▁the ▁old ▁Gh ass an id ▁capital ▁of ▁J abi ya , ▁Mar wan ▁was ▁elected ▁cal i ph ▁in ▁exchange ▁for ▁economic ▁privileges ▁to ▁the ▁loyal ist ▁tribes men . ▁At ▁the ▁subsequent ▁Battle ▁of ▁Mar j ▁Rah it ▁in ▁August ▁ 6 8 4 , ▁Mar wan ▁led ▁his ▁trib al ▁al lies ▁to ▁a ▁decis ive ▁victory ▁against ▁a ▁much ▁larger ▁Q ays ite ▁army ▁led ▁by ▁al - D ah h ak , ▁who ▁was ▁s lain . ▁Not ▁long ▁after ward , ▁the ▁South ▁Arab ians ▁of ▁H oms ▁and ▁the ▁Jud ham ▁joined ▁the ▁Q uda ' a