Complex sentence: By the middle of September 1917 the Ottoman Army had decided against an attempt to retake Baghdad when Enver Pasa took von Falkenhayn's advice to send the Yildirim Army Group to Palestine to face the growing threat reported by Kress von Kressenstein.
Split into simpler sentences: By the middle of September 1917 the Ottoman Army had decided against an attempt to retake Baghdad. Enver Pasha took von Falkenhayn's advice to send the Yildirim Army Group to Palestine to face the growing threat reported by Kress von Kressenstein.