The highly organized farmers of the Ohio River Valley were called Mound Builders. They <span>were inhabitants of </span>North America<span> who, during a 5,000-year period, constructed various styles of earthen </span>mounds<span> for religious and ceremonial, burial, and elite residential purposes. </span>
The answer is C. Delegated Powers
Delegated powers (also known as Enumerated powers) are powers which were given to the federal government by the constitution. These powers ONLY allow the FEDERAL government to do these things. They cannot be taken up by the states. Hope this helps;)
Answer: Cities provided better opportunities.
Explanation: There were more jobs, leading to more opportunities to live a better life.