Communities were small in the paleolithic because of the low population. They also moved around a lot for food.
<span>One factor that spurred economic growth of the United States in the late 1800's was mass production, or the ability of certain factories and other workplaces to create mass amounts of food, materials, or other basic needs. A second factor that influenced growth was geographic expansion, when certain regions began having inhabitants who created small towns and the generation of business and wealth.</span>
D I’m not sure but I hope this helps
