Because iron and steel-making at the time consumed more coal than iron ore, the steel mills moved closer to the coal mines to minimize transportation costs
The answer is Morrill Tariff.
During the administration of the democrat President James Buchanan, the Morrill Tariff was adopted in the United States on March 2, 1861. This Tariff greatly aided northern industrial interests. The bill was passed on 1860 during the 1860 election.
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The peasants were the lowest class.
