The Urartians adopted the same cuneiform script to inscribe their monuments, which sidelined the old hieroglyphic script (although it did not disappear altogether). Crucially the Urartians adopted Assyrian military practices and equipment, so that later Urartian armies used the conical Assyrian type helmets, which largely replaced the Hurrian style of cylindrical crested helmet. Thus Assyrian aggression was in time likely to have provided the impetus for these mountain dwellers to unite, as well