The Roman Empire fell around the fifth century, and as Islam spread in the seventh century, trade between Europe and China slowed. Chinese traders were blocked from westward expansion into Europe when the Chinese army was defeated by Muslim fighters in the area known as Syr Darya. The trade routes, known as the Silk Road, fell into disuse, and trade between the Far East and Europe nearly stopped. It wasn't until the thirteenth century when the Mongols invaded and controlled central Asia and large parts of the Middle East that extensive trade along these routes was opened again. Which statement is true about the Mongol empire? A. The Mongols replaced the Roman Empire as the dominant force in Western Europe. B. Without access to European

goods, the Mongols were unable to maintain control of their empire. C. The Mongols facilitated the revival of trade between Europe and China by controlling key trade routes. D. The fall of the Mongol empire led to the decline of the Silk Road as a major trade route.

C. The Mongols facilitated the revival of trade between Europe and China by controlling key trade routes.