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Yam Research Paper

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Back in the day, there was a delivery system which delivered mail and supplies but it didn’t happen in a huge UPS truck, it happened on horseback. This system was know as the Yam,it existed around the 1200’s. The Yam was used by the Mongols and Genghis Khan was the person to set up this postal service in Asia and Europe. It was based on a relay system that went from one rider to another. Each relay station was every 20 to 30 miles then the rider would switch horse. As the system grew, it caused the empire to do this as well. As communication grew, they incorporated more than 12 million square feet of land. There was more than 1,400 postal stations in China alone. They were able to use 50,000 horses, 1,400 oxen, 6,700 mules, 400 carts,

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