Flying Cash: The Revolutionary Financial Innovation of Song Dynasty China (AP World History)
Defining Flying Cash The Essence of *Fei-Qian* The vast expanse of the ancient world, teeming with trade, exchange, and the ceaseless flow of goods, often faced significant hurdles. One of the most persistent challenges, across civilizations and eras, was the cumbersome nature of currency. Imagine merchants, burdened by heavy coins, traversing treacherous terrains and vulnerable … Read more