How did John Deere's steel-tipped plow change American agriculture?
A) It cut in half the labor needed to till the soil for planting.
B) It facilitated crop rotation which allowed each acre under cultivation to produce greater yields.
C) It made farming so efficient that more people could afford to buy land and start farms.
D) It persuaded Congress to subsidize the development of other farm technology.
E) It could harvest wheat seven times as fast and with fewer work than previously.
Question 2
What statement best describes life for the average American farm worker in the antebellum period?
A) Most workers found it difficult to raise enough capital to buy a farm.
B) Most agricultural workers eventually owned their own farms.
C) Small family farms were rapidly being replaced by agribusiness.
D) Unlike urban workers, agricultural workers tended to have consistent employment throughout the year.
E) Compared with urban workers, farm workers placed greater emphasis on education for their children.
Two modes of evolutionary change.
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