Complex sentence: The 4th Cavalry Division had advanced to capture Beisan in the afternoon of 20 September, now controlled the area along the Jordan River, the 5th Cavalry Division garrisoned Afulah and the Nazareth area, while the Australian Mounted Division's 3rd Light Horse Brigade occupied Jenin.
Split into simpler sentences: The 4th Cavalry Division, which had advanced to capture Beisan in the afternoon of 20 September, now controlled the area along the Jordan River. The 5th Cavalry Division garrisoned Afulah and the Nazareth area, and the Australian Mounted Division's 3rd Light Horse Brigade occupied Jenin.