Answer:
B. During the early 1900s, the populations of US cities located on the West Coast were the highest, but by 2000, the populations of cities located in the Midwest became greater than those of the East Coast.
Step-by-step explanation:
In the early stages of the 1900s, there were so many people on the West Coast of the cities in the United States of America. There was a high population in those areas. However, there was an increase in the population of those living on the Midwest and over time, the population exceeded that of the people in the West Coast.