Southern Song Dynasty 1258: Start an Engineering College

More than three hundred university teachers and students were thrown into the front line of the Song-Mongolian War in the sixth year of Baoyou in the Southern Song Dynasty in 1258. How would the world change as a result? Others travel through the system, they travel through the entire university. The technology tree should be climbed by jumping, starting with the CNC machine tool, and directly rubbing the electromagnetic gun. Mongolian cavalry? Come on, take a volley of my shots first.