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QUESTION
Railroads not only led to an increase in the ability to transport raw materials, but they also led to a(n) A.decrease in the need for raw materials. B.increase in the demand for raw materials. C.decre
Railroads not only led to an increase in the ability to transport raw materials, but they also led to a(n)
A.decrease in the need for raw materials.
B.increase in the demand for raw materials.
C.decrease in the uses of raw materials.
D.increase in the types of raw materials found in the United States.
