What was the cause of the economic geography change in the U.S. during the nineteenth century?(1 point) Responses

A. the expansion of the railroads
B. the end of the Civil War
C. the increased population
D. the demand for more cotton

1 answer

A. the expansion of the railroads

The expansion of the railroads significantly transformed economic geography in the U.S. during the nineteenth century by facilitating the movement of goods and people, leading to the growth of industries, urban centers, and trade routes across the country.