Population Growth in 5 Select Cities 1870–1920 shows a line graph with the following data:

New York’s population grew from 1 million in 1870 to 5.6 million by 1920. The city limits expanded in 1900 and 1920 to include Manhattan, Brooklyn, Bronx, Queens, and Richmond.
Chicago grew from 0.4 million in 1870 to 2.5 million by 1920.
St. Louis grew from about 0.4 million in 1870 to 0.7 million in 1920.
San Francisco grew from about 0.2 million in 1870 to 0.5 million in 1920.
New Orleans grew from 0.2 million in 1870 to 0.4 million in 1920.
The source of the information is the U.S. Census Bureau.
Urbanization 1850–1920 shows the population shift in rural and urban areas with the following data:

In 1850, 84.7% of the population lived in rural areas and 15.3% lived in urban areas.
In 1860, 80.2% of the population lived in rural areas and 19.8% lived in urban areas.
In 1870, 74.3% of the population lived in rural areas and 25.7% lived in urban areas.
In 1880, 71.8% of the population lived in rural areas and 28.2% lived in urban areas.
In 1890, 64.9% of the population lived in rural areas and 35.1% lived in urban areas.
In 1900, 60.3% of the population lived in rural areas and 39.7% lived in urban areas.
In 1910, 54.3% of the population lived in rural areas and 45.3% lived in urban areas.
In 1920, 48.8% of the population lived in rural areas and 51.2% lived in urban areas.
The source of the information is David Ward, (1990) "Population Growth, Migration, and Urbanization, 1860-1920."
Question
Use the graphs to answer the question.

Which statement best explains the population growth in the five cities shown on the graph between 1870 and 1920?

(1 point)
Responses

Many urban industrial jobs were available in the Midwest and East regions.
Many urban industrial jobs were available in the Midwest and East regions.

Profits from the Gold Rush encouraged the growth of cities on the West Coast.
Profits from the Gold Rush encouraged the growth of cities on the West Coast.

African Americans sought a better life in the South.
African Americans sought a better life in the South.

Many people migrated to the Midwest to become farmers.
Many people migrated to the Midwest to become farmers.

Many urban industrial jobs were available in the Midwest and East regions.