Who invented the steel moldboard plow?

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Multiple Choice

Who invented the steel moldboard plow?

Explanation:
John Deere single-handedly changed farming by introducing the steel moldboard plow. Faced with wooden and iron plows that wore out or clogged in tough prairie soil, he crafted a curved moldboard from steel that shed soil more smoothly and resisted sticking. This allowed farmers to plow deeper and more efficiently, opening up western farming and helping Deere build a lasting plow business. The other names are known for different innovations—Cyrus McCormick invented the mechanical reaper, Henry Ford revolutionized car production, and James B. Duke pursued other industries—so none of them match this invention.

John Deere single-handedly changed farming by introducing the steel moldboard plow. Faced with wooden and iron plows that wore out or clogged in tough prairie soil, he crafted a curved moldboard from steel that shed soil more smoothly and resisted sticking. This allowed farmers to plow deeper and more efficiently, opening up western farming and helping Deere build a lasting plow business. The other names are known for different innovations—Cyrus McCormick invented the mechanical reaper, Henry Ford revolutionized car production, and James B. Duke pursued other industries—so none of them match this invention.

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