Kahanbaliq was Chinas second capital located in Northern China.
Marco Polo was a europian traveler. He was the first Europian traveler to reach China. The king, Kublai Khan enjoyed his stories so much he gave Marco Polo special status in China and went on many business trips.
Mongols empire stretched from China to Eastern Europe. So they could trade with many other countries. They were very good at making ships so they could also trade on the sea. They got, silver, spices, carpets, and cotton.
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Mongols made many achievements. They conquered Northern China and all of the cities that had control of the silk road. They also brought much peace into China. They taxed everything on the silk road which brought them much wealth.