Answer:
a. gold coins
Explanation:
Marco Polo was impressed by the paper money, coal burning and gunpowder in China. But, gold coins are not new to him.
Indus River Valley marks the easternmost edge of Islam under the Umayyads. The Umayyad Caliphate was the second caliphate out of the four major caliphates that was established after Muhammad's death. The Umayyad dynasty rules the Umayyad Caliphate.
A. There was no official language of India.
The United States is one of five permanent members of the United Nations b) security council. The other member states are: Russia, France, China and the United Kingdom. The Security Council is one of the six principal organs of the United Nations and is charged with the maintenance of international peace and security, as well as accepting new members into the United Nations and approving any changes to the United Nations charter.