What was the key factor to industrial development of cities such as Pittsburgh and Cleveland Chicago?

Pittsburgh

- Pittsburgh was located at the confluence of three rivers, which provided a convenient transportation route for goods and materials.

-The city was also home to abundant coal and iron ore deposits, which were essential resources for industrial production.

Cleveland

- Cleveland was located on the shores of Lake Erie, which provided access to the Great Lakes and the Midwest.

- The city was also a major railroad hub, which made it easy to transport goods and materials to and from other parts of the country.

Chicago

- Chicago was located at the crossroads of several major transportation routes, including the Mississippi River, the Great Lakes, and the railroads.

-The city also had a large labor force, which was essential for industrial production.

These three cities had a combination of natural resources, transportation access, and a labor force that made them ideal locations for industrial development.