What is a body of extending over a large area that developes and retains specific characteristics, pressure, temperature ,humanity

What could the united states of america do to improve their status? name at least 3(ap human geography)

What are the answers for the following questions?

Rah is completing a school project on the expansion of fast food restaurants across the united states. she finds a map that shows a clear pattern of restaurants beginning in the east and expanding west. this map was most likely created using the technology of