Which of these would have had the greatest impact on urban sprawl at the end of the nineteenth century?

Which of these would have had the greatest impact on urban sprawl at the end of the nineteenth century?

A. invention of the elevator

B.

Availability of light bulbs

C.

A lack of industrial capital in urban areas

D.

Streetcars carried people to the edge of big cities.

The right answer to this question is D.

Streetcars carried people to the edge of big cities.

When the industrial revolution began, the people whose lived at the rural zones went to the cities to get better jobs.