Why were the reaper and the steel plow important for 19th century agriculture?

The reaper and the steel plow were crucial innovations for 19th-century agriculture as they significantly increased farming efficiency and productivity. The reaper allowed for quicker harvesting of grain, reducing the labor required and enabling farmers to cultivate larger areas. The steel plow, designed to break through tough soil, facilitated the cultivation of previously unmanageable land, enhancing soil aeration and fertility. Together, these tools supported the expansion of agriculture, contributing to the rise of commercial farming and the growth of the American economy.