Iron Empire: Industrialization from Scratch

(Ancient farming + ancient warfare + systematic + industrialization) A junior college student majoring in automation and mechatronics died suddenly and his soul penetrated the body of the useless third prince of the Dajing Dynasty. In troubled times, how could he protect himself and obtain an industrialized system? Let's see how this unpopular prince grew from a mere ten people to hundreds of thousands of cavalry, from line infantry to cannons and ships. Sweeping everything, kicking nomads, punching domestic feudal kings, sweeping everything.