Question

how did railroads contribute to urban growth during the second industrial revolution?
by providing the greatest number of jobs
by transporting raw materials and finished goods
by transporting materials to parks and museums
by providing immigrants with access to enclaves

Explanation:

During the Second Industrial Revolution, railroads transported raw materials to factories and carried finished goods to markets, which was crucial for urban - based industries and thus contributed to urban growth. They were key for the movement of goods essential for industrial and urban development.

Answer:

by transporting raw materials and finished goods