Answer:
The answer is D. This is because it isn't a form of currency, it was not backed by gold, silver, or land, and it was not an economic success.
Explanation:
Answer:
Mongol Empire
Explanation:
The Yuan dynasty was established by Kublai Khan as a ruling dynasty. Kublai was a grandson of Genghis Khan and a leader of the Mongolian clan. He officially announced the Yun dynasty to be ruled in the traditional Chinese style. The Yun Dynasty was the first foreign dynasty in China.