How Paper Money Led to the Mongol Conquest
Money and the Collapse of Song China
By Peter St. Onge
Chinas Song Dynasty (9601279) was one of historys wealthiest Golden Ages, inventing military gunpowder, moveable print, industrial textiles, windmills, and canal-faring paddle boats. Its all the more remarkable for having fallen to steppe invaders not once but twice, each time resulting in part from another invention credited to the era: paper money.