<prompt> Qedela le nkulumo elandelayo: Phakathi kuka-May no-December 1916, i-13th Western Division yalungiswa futhi yahlomiswa kabusha ukuze ilungele ukuqhubekela enyakatho ukuze ithathe iBaghdad. NgoJulayi, uMajor-General Maude waphakanyiselwa ukuba abe ngumkhuzi we-Expanded and renamed Mesopotamian Expeditionary Force. Esikhundleni sakhe, uBrigadier General Cayley, owayengukhomanda weBrigade yama-39, wakhuliswa waba ngumkhuzi womkhakha. Ngomhlaka 12 Disemba 1916, lo mkhakha wathuthuka usuka eSheikh Saad eKut. Ngesikhathi  <response>: Impi Yesibili YaseKut, lo mkhakha wasiza ekuxosheni amabutho ase-Ottoman edolobheni. Ngemuva kokuma isikhashana, le ngxenye yahamba yaya enyakatho, yawela uMfula iDiyala, futhi yabamba iqhaza ekubanjweni kweBaghdad ngoMashi 11, 1917. Ngemva kokuthunjwa kweBaghdad, i-13th Western Division yalwa izimpi eziningana ukuqinisa ukulawula kwamaBrithani phezu kwe-vilayet yaseBaghdad. Lokhu kufaka phakathi ukulwa eDellis Abbas 27 kuya ku-28 Mashi 1917, Duqma 29 Mashi 1917, Nahr Kalis 9 kuya ku-15 Ephreli 1917, ukudlula kwe-Adhaim 18 Ephreli 1917 kanye nesenzo seShatt al Adhaim 30 Ephreli 1917. Naphezu kokungasebenzi kahle kwamaBrithani ukuze aqhubeke nokuqhubekela phambili, lo mkhakha nawo walwa neSenzo Sesibili nesesithathu sikaJabal Hamrin 16-20 Okthoba 1917 no-3-6 Disemba 1917. 