▁to ▁seek ▁their ▁political ▁amb itions ▁due ▁to ▁finding ▁Ali ' s ▁cal i ph ate ▁against ▁their ▁own ▁benefit . ▁ ▁So on ▁after ▁Ali ▁became ▁cal i ph , ▁he ▁dismiss ed ▁provincial ▁govern ors ▁who ▁had ▁been ▁appointed ▁by ▁U th man , ▁and ▁replaced ▁them ▁with ▁trust ed ▁a ides . ▁He ▁acted ▁against ▁the ▁coun sel ▁of ▁M ugh rah ▁ibn ▁Sh ob ah ▁and ▁I bn ▁Abb as , ▁who ▁had ▁ad vised ▁him ▁to ▁proceed ▁c aut iously . ▁Mad el ung ▁says ▁Ali ▁was ▁deeply ▁convinced ▁of ▁his ▁right ▁and ▁his ▁religious ▁mission , ▁unw illing ▁to ▁comprom ise ▁his ▁principles ▁for ▁the ▁sake ▁of ▁political ▁exped ience y , ▁ready ▁to ▁fight ▁against ▁over wh el ming ▁odd s . ▁Mu aw iy ah , ▁k ins man ▁of ▁U th man ▁and ▁governor ▁of ▁Lev ant ▁refused ▁to ▁submit ▁to ▁Ali ' s ▁orders ▁- ▁the ▁only ▁governor ▁to ▁do ▁this . ▁ ▁After ▁the ▁Battle ▁of ▁Bass or ah ▁Ali ▁transferred ▁his ▁capital ▁from ▁Med ina ▁to ▁K uf a , ▁the ▁Muslim ▁g arrison ▁city ▁in ▁Ira q . ▁K uf a ▁was ▁in ▁the ▁middle ▁of ▁Islam ic ▁land ▁and ▁had ▁strateg ic ▁position . ▁ ▁Ali ▁res umed ▁the ▁land ▁which ▁had ▁been ▁granted ▁by ▁U th man ▁and ▁sw ore ▁to ▁res ume ▁whatever ▁some ▁el ites ▁had ▁taken ▁before ▁him . ▁He ▁opposed ▁the ▁central ization ▁of ▁capital ▁control ▁over ▁provincial ▁reven ues ▁and ▁fav ored ▁an