During the 13th-14th Century, many states tried to establish their own prosperous empire, with a stable economic and political system. The Mongol Empire was one of the most massive empires under the leadership of Genghis Khan. During his leadership, the empire grew rapidly and his descendants sent invasions in all directions. With the Mongol’s developed technologies, various ideologies and commodities were dispersed and exchanged all over Eurasia. Along with those ideologies and goods, the Bubonic Plague, or Black Death was also dispersed to other regions through trade routes. The outbreak of Black Death caused the decline of trade, population, migration and even the collapse of a few empire. Even with all of those consequences, why didn’t
