Industrial expansion and population growth radically changed the face of the nation's cities.
Internment of Japanese Americans. The internment of Japanese Americans in the United States during World War II was the forced relocation and incarceration in concentration camps in the western interior of the country of about 120,000 people of Japanese ancestry, most of whom lived on the Pacific Coast.
Missisipi river is the answer pal
I think it is Earthquakes
Answer: D- their trading partners.
Explanation: