A factor that led to the growth of the factory system in the United States was the development of new power sources, it's true.
After the defeat of Japan in World War II, the United States led the Allies in the occupation and rehabilitation of the Japanese state. Between the years 1945 and 1952, the U.S. occupying forces, led by General Douglas A. MacArthur, enacted widespread military, political, economic, and social reforms.
I would say D, because after the war the north stayed a communist nation ,and the south didn't change into any of the listed <span />
Answer:
Better Trade relationship
Explanation:
I believe
The immigrant population is concentrated in or near the large cities.