The coins were made from cheaper materials which caused decrease in the use of coined money. Thus the correct answer is Option D.
Explanation:
The Roman was an empire centered in the city of Rome, Europe. This empire expanded beyond southern Europe and included the territories of North Africa and Anatolia. Its rival was the Persian Empire which was located east of the Furat River.
Latin and Greek languages were spoken at different places in the Roman Empire and in 1303 it declared Christianity as a religion.
