Of Arms and Men: A History of War, Weapons, and AggressionThe appearance of the crossbow on the European battle field in A. D. 1100 as the weapon of choice for shooting down knights threatened the status quo of medieval chivalric fighting techniques. By 1139 the Church had intervened, outlawing the use of the crossbow among Christians. With this edict, arms control was born. As Robert L. O'Connell reveals in this vividly written history of weapons in Western culture, that first attempt at an arms control