The military strength of early Egypt lay in her archers, who fought either on foot or from chariots. The Egyptian bow was a little shorter than a man's height. The string was of hide or cord; the arrows were of reed, winged with three feathers and pointed with bronze heads, and were from two to three feet in length. The Egyptian archers carried a curved, broad-bladed sword, and a dagger or a battle-axe for combat at close quarters. Their defensive armor consisted of a quilted head-piece and coat. They used no shield, as this would have interfered with the use of the bow. The infantry were classified according to the weapons with which they fought--as spearmen, swordsmen, clubmen, and slingers. The spears were five or six feet long and had triangular or leaf-shaped heads of bronze. The spearmen carried shields shaped like a door with a curved top, having a hole in the upper portion through which they could look. These shields were about half as high as a man and were covered with hairy hide, with the hair attached. The early swords of Egypt were of bronze, straight, double-edged, tapering from hilt to point, and measuring from two and a half to three feet in length. The ancient Assyrians fought with swords somewhat like those of Egypt. They used also bows, lances, spears, and javelins. Their shields were round and convex; and their cuirass was a close-fitting garment made of many layers of flax, plaited together or interwoven, and cemented and hardened with glue. This linen corselet was found also among the Egyptians, the Greeks, and the Romans. The characteristic weapon of the Romans, the greatest warriors of ancient times, was what the Romans themselves called the "pilum." This weapon was a pike having a stout iron head carried on a rod of iron. The iron rod was about twenty inches long and terminated in a socket for the insertion of the wooden shaft, which was a little more than three feet in length. The entire weapon was therefore about five feet long. The pilum could be hurled as a javelin with great effect. Piercing the shield of the enemy, the slender iron rod bent under the weight of the shaft, which trailed along the ground, making the shield useless for purposes of defense. When used at close quarters, the pilum had something of the efficiency of the modern bayonet; and when wielded firmly in both hands, it served to ward off sword-strokes, which fell harmlessly upon the long and strong iron neck of the weapon. No warrior of ancient times was more formidable than the Roman with his pilum. The Romans had also swords of bronze and bronze armor, resembling the armor and the swords of the Greeks. In the prosperous days of Rome, her legions, under one of the greatest military commanders of all time, Julius Caesar, brought nearly all the world of that day to the feet of their general.