Question

Look at the map.

A map of the United States with some cities highlighted green.

What impact did railroads have on cities across the United States at the turn of the 20th century?
Many cities became industrial centers.
Many cities saw a decrease in population.
Many cities became agricultural centers.
The railroads had little impact on US cities.

Answer 1

Many cities became industrial centers.

Explanation: Railroads connected raw materials, factories, and markets, encouraged factory growth, and attracted workers — leading to urban industrial expansion and population growth rather than decline.