Which type of government structure are school districts an example of

Why did river valleys most farming impact the lives of neolithic peoples?

Explain how social darwinism impact imperialism.

Why were americans concerned about the future of north and south america? check all of the boxes that apply. they worried that european countries would take over independent countries in latin america. they thought that european nations could threaten democracy in the united states. they believed that europe would never again return to the americas.