How did railroad building lead to increased division between the north and south? (5 points) the south had no interest in building railroads and saw the north as destroying the landscape by initiating them. the south needed railroads to expand markets for their crops, but northern businessmen refused to invest there. the north was increasingly a manufacturing economy and tied with the west, while the south remained agrarian. the north built railroads to the west to encourage settlement there by those who were against expanding slavery.

The North was increasingly a manufacturing economy and tied with the West, while the South remained agrarian.

Explanation:

The economies of the North and the South were very different, the North was more industrialized and focused on commerce than the south. In the South, the economy was focused on plantation farming.

The railroads made the transportation of crops even easier, because of that the economy of the Southern states did not change and remained agrarian. Different than the Northern states that became increasingly a manufacturing economy, with bigger cities.

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its many islands, high mountains, and remote peninsulas isolated population centers.