Answer: The text provides the following clues about the growth of mid-sized cities in the late 19th century and over the 20th century:
1 - Early settlement of the West was structured around towns, with streets laid out in checkerboards for new arrivals.
2 - The urban population kept pace with the rural population in the early 19th century, accounting for 6-7% of the population.
3 - The 20th century saw the completion of America's transformation into an urban population, with 40% of the population living in urban areas in 1900 and 75% in 1990.
4 - Urban growth over the 20th century took place in cities of all sizes, with nearly 14% of the population living in communities with 2,500 to 25,000 people in 1900.
5 - In 1900, 8.5% of the population lived in a city of 1 million or more inhabitants, with New York, Chicago, and Philadelphia having over 1 million people.
The text does not provide specific information about the growth of mid-sized cities in the late 19th century and over the 20th century. However, it implies that growth occurred in cities of all sizes.
Step-by-step explanation: