How did railroads helped build economy?

It made travel more affordable, made the Western U.S. more important, made commerce possible on a vast scale, changed where Americans lived, altered Americans’ concept of reality, and also pioneered government-financed capitalism. In addition to transporting western food crops and raw materials to East Coast markets and manufactured goods from East Coast cities to the West Coast, the railroad also facilitated international trade and spread new ideas.

Explanation:

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