Topic: Tell me a short, interesting fact about

The Roman Empire's economy was largely based on agriculture, with bread and wine being staple foods. The Empire invented a type of horizontal mill for making flour, called a "mulabyrra," and the mechanical wine press, which greatly increased food production and efficiency, helping to support the vast population of the Empire.<br> <br> Furthermore, the Roman Empire was the first society to establish a centralized banking system, using gold and silver coins called "denarii" for commerce and transactions across its vast territories. This not only facilitated trade but also helped the government collect taxes more efficiently. This banking system, along with other innovations, was a key factor in the Roman Empire's economic success and global influence.