The correct answer is Midwestern cities grew in size and importance, and there were more large cities than ever before.
Explanation
The Midwest is a region of the United States that includes the states of North Dakota, South Dakota, Nebraska, Kansas, Minnesota, Iowa, Missouri, Michigan, Wisconsin, Illinois, Indiana, and Ohio. This region is characterized by hosting several of the largest cities in the United States that emerged mainly during the second half of the nineteenth century. Among the cities created at this time are Minneapolis (1856), Chicago (1833), Milwaukee (1846), Columbus (1834), Detroit, among others. So the correct answer is Midwestern cities grew in size and importance, and there were more large cities than ever before.
