Analyze the factors that influenced the economic growth of the united states and its emergence as an industrial power during the late 1800's. you must use complete sentences when writing your response.

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.

I’m pretty sure it’s 4, you can check on the calculator