Productivity gains on southern cotton plantations were due to:
a. improved varieties of seeds.
b. use of the gang system.
c. longer work hours.
d. All of the above.
e. Both a and b are correct.
Question 2
Which of the following statements correctly characterizes fertility rates in the postwar period?
a. The birth rate rose steadily, beginning during the Great Depression and continuing until 1950.
b. The birth rate peaked in the late 1950s, then began a steep decline reaching very low rates in the 1970s.
c. The birth rate has fallen steadily since 1940 due to the increased labor force participation of women.
d. During the postwar period, the birth rate has tended to rise in during recessions and fall during periods of economic growth.
