A. They relied heavily on foreign imports of rice and tobacco.
Along with the diminishing supply of metals used for currency, Chines scholars developed the new economic idea that held paper money as a means of payment and exchange, not as a value in itself. The issuing of paper currency in Song China was as much of a process as the invention of paper currency itself.
Answer:
Before Europeans arrived in North America, Native American groups developed into distinct and complex societies in response to the unique environments they inhabited.
Explanation:
