The growth of the railroads affected the supply and demand for natural resources in the untied states

Explain the correlation between industrialization and urban areas

How does the principle of federalism affect the u.s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d.it divides the federal and state governments into three branches

What was the greatest contribution of the “scientific method”?