Plows and irrigation
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Answer:
The North developed economically much more than the South in the first half of the 19th century. Slavery was quickly abolished and the economy reverted to the rising industry to such an extent that during the Civil War about 80% of the industry in the USA was in the North.
Explanation:
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Answer:
immigrants and African Americans
Steelmaking is the process of producing steel from iron ore and/or scrap. ... Limiting dissolved gases such as nitrogen and oxygen and entrained impurities (termed "inclusions") in the steel is also important to ensure the quality of the products cast from the liquid steel.
