Explain the statement, "the amazing mechanization of agriculture in the postwar years was almost as striking as the mechanization of industry."

This related to the civil war

Explanation:

The Civil War was the first modern war which had been the first time technology and industrial strength played a significant role. The technology invented was supremely beneficial agriculturally but not as much so as factories [The farm becomes a factory]

When there is scarcity and choice there is/are .

b. costs.  

Explanation:

answer; the confederacy could afford to move a large number of prisoners hundreds of miles but could not afford to fee and house the prisoners;

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