Question

The cities of Pittsburgh, Cleveland, and Chicago all became major industrial centers in the 19th century. Which of the following greatly contributed to the growth of these cities?

Answer 1

The cities of Pittsburgh, Cleveland, and Chicago all became major industrial centers in the 19th century. Which of the following greatly contributed to the growth of these cities? The development of the railroads during the 1800s dramatically changed life for all in America.

Step-by-step explanation: