A crossbow could be given to someone without years of training. Its use is reduced to drawing it back, inserting the bolt, aiming, and firing at charging horsemen. A following comment introduces magazine-fed Chinese crossbows, with a brief acknowledgement of a similar Roman arrangement.
Notable Point ยท 3:49:46-3:50:13
Crossbow training and magazine-fed designs
A crossbow's simple loading and firing sequence reduced the need for years of training, while magazine-fed designs supplied another line of development.