In the 1920s and 1930s, this new demographic phenomenon began, largely in response to the Dust Bowl:
Explanation
Answer: E - In the 1920s, a widespread demographic phenomenon called “rural flight” began, which intensified during the Dust Bowl of the 1930s. Citizens who lived in rural areas began to leave their remote locations for more densely populated areas, with many of them of migrating to urban centers in a continuance of the urban migration that began during the Second Industrial Revolution. When the Dust Bowl devastated the Great Plains in the mid-1930s, many families were compelled to abandon their farms to start all over in cities. Following World War II, rural flight continued as suburban communities were created.