Who inventions changed American agriculture on the prairies of the Midwest Cyrus McCormick and John Deere Elias Howe and Linus Yale Thomas Jefferson and Eli Whitney Cyrus Reaper and Robert Plough?

Cyrus McCormick and JOHN DEERe were pivotal in transforming American agriculture on the prairies of the Midwest. McCormick invented the mechanical reaper, which greatly increased the efficiency of harvesting grain, while Deere's steel plow made it easier to cultivate the tough prairie soil. Together, their innovations enabled farmers to increase production and expand into previously challenging agricultural lands.