The Anglo-Iraqi Treaty yakasainwa zvikurukuru pamusana pebasa rakaoma revanhu vekare matunhu eOttoman, mubatanidzwa wevaSunni nevaShia maArabu. Nzvimbo huru dzevapanduki munguva yakazonzi "Great Iraqi Revolution" ya1920
yaibatanidza, Baghdad, Najaf, uye Karbala. Nhamburiko yokupandukira muKarbala yakafuridzirwa ne"fatwa" yakapiwa nomujtahid mukuru, Imam Shirazi. "Fatwa" iyi yakataura kuti zvaipesana nenheyo dzechiIslam kuti nharaunda yacho itongwe nemaBritish, ayo aisatevedzera chiIslam. "Fatwa" yakarayira jihad mukurwisana namasimba okubatira eBritain.