▁who ▁were ▁prominent ▁in ▁business ▁and ▁trade . ▁ ▁The ▁various ▁eth nic ▁groups ▁were ▁becoming ▁mixed ▁and ▁the ▁dist in ctions ▁between ▁them ▁had ▁bl ur red ; ▁according ▁to ▁one ▁historian , ▁an ▁important ▁reason ▁for ▁the ▁general ▁support ▁for ▁Sultan ▁Jam sh id ▁was ▁his ▁family ' s ▁eth nic ▁divers ity . ▁However , ▁the ▁island ' s ▁Arab ▁inhabitants , ▁as ▁the ▁major ▁land own ers , ▁were ▁generally ▁wealth ier ▁than ▁the ▁n atives ; ▁the ▁major ▁political ▁parties ▁were ▁organ ised ▁largely ▁along ▁eth nic ▁lines , ▁with ▁Arab s ▁domin ating ▁the ▁Z anz ib ar ▁National ist ▁Party ▁( Z NP ) ▁and ▁n atives ▁the ▁Af ro - Sh ira zi ▁Party ▁( AS P ). ▁ ▁See ▁also ▁▁ ▁List ▁of ▁S ult ans ▁of ▁Z anz ib ar ▁ ▁References ▁ ▁Bibli ography ▁▁▁▁▁▁▁▁ ▁. ▁. ▁. ▁ ▁External ▁links ▁ ▁The ▁Official ▁Website ▁of ▁the ▁Z anz ib ar ▁Royal ▁Family ▁▁▁ ▁Z anz ib ar ▁▁ ▁Category : Is land ▁countries ▁of ▁the ▁Indian ▁Ocean ▁Category : 1 8 5 6 ▁establish ments ▁in ▁Africa ▁Category : 1 9 6 4 ▁dis est ab lish ments ▁in ▁Africa ▁Z anz ib ar , ▁Sultan ate ▁of ▁Z anz ib ar , ▁Sultan ate ▁of ▁Category : St ates ▁and ▁territ ories ▁established ▁in ▁ 1 8 5 6 ▁Category : St ates ▁and ▁territ ories ▁dis est ab lished ▁in ▁ 1 9 6 4 <0x0A> </s> ▁Martin ▁Mc