Answer:
Medieval football is a modern term used for a wide variety of the localised informal football games which were invented and played in Europe during the Middle Ages. Alternative names include folk football, mob football and Shrovetide football. These games may be regarded as the ancestors of modern codes of football, and by comparison with later forms of football, the medieval matches were chaotic and had few rules.
The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders
The Song Dynasty (900-1200 CE/AD) was technically the first to industrialize. They were the first known to have assembly lines and they had very advanced technology, but due to their Confucianist ideals they weren't as expansionist and imperialist as Europe which means they didnt spread this at all... so once they were defeated, so was this small burst of industrialism.