Complex sentence: The mounted arm of the NZEF was the New Zealand Mounted Rifles Brigade, the brigade remained in Egypt and, combined with the 1st and 2nd Australian Light Horse Brigades, made up the Anzac Mounted Division which served through the Sinai and Palestine campaign.
Split into simpler sentences: The mounted arm of the NZEF was the New Zealand Mounted Rifles Brigade. The brigade remained in Egypt and, combined with the 1st and 2nd Australian Light Horse Brigades, made up the Anzac Mounted Division which served through the Sinai and Palestine campaign.