The economic condition of the United States changed after the Civil War, where it saw the emergence of massive railroads and industries. Before the Civil War, the Industrial expansion found in the North. The North had industries and manufacturing economy.
Slavery as abolishing in America after the war, the South remain agriculture economy with the help of sharecroppers.
The main reason why it would benefit a company to restrict its supply of a product to consumers when consumer demand for the product is high is because the prices are higher.
