Map Legend: The location of the 100 cities in the continental United States each having at least 25,000 inhabitants by 1900. Which of these statements MOST accurately describes the message of this map?

A)
The midwest continued to experience little-to-no population growth.
B)
Agricultural concerns were no longer an issue in the southern states.
C)
Industrial areas contained the cities with the largest population in 1903.
D)
The population density in the northeast prevented further economic
development