railroads not only led to an increase in the ability to transport raw materials, but they also led to a(n)…

railroads not only led to an increase in the ability to transport raw materials, but they also led to a(n) decrease in the need for raw materials. increase in the demand for raw materials. decrease in the uses of raw materials. increase in the types of raw materials found in the united states.

railroads not only led to an increase in the ability to transport raw materials, but they also led to a(n) decrease in the need for raw materials. increase in the demand for raw materials. decrease in the uses of raw materials. increase in the types of raw materials found in the united states.

Answer

Brief Explanations:

Railroads improved transportation of raw - materials. This made it easier to move and use more raw - materials, thus increasing demand.

Answer:

increase in the demand for raw materials.