The advent of the gasoline-powered tractor in the 1920s meant that
a. productivity went way up but so did debt.
b. farmers did not need to plow as much land to make the same profit.
c. farmers would have to spend time training hands on new equipment.
d. bigger crops could be grown on smaller areas.
e. None of these
Question 2
President Nixon's chief foreign policy adviser, throughout his administration, was
a. Henry Kissinger.
b. William Rogers.
c. Spiro Agnew.
d. Gerald Ford.
e. Donald Rumsfeld.