According to Allan Kulikoff, between 1630 and 1670, major surges ...

[newyorker26]

According to Allan Kulikoff, between 1630 and 1670, major surges in productivity caused tobacco output per worker to increase by a factor of:
 a. two (doubling).
  b. three (tripling).
  c. four (400).
  d. five (500).
  e. Tobacco productivity held steady during these years.

Question 2

Real wages of manufacturing workers
 a. rose between 1860 and 1890, but then fell for much of the period until 1920.
  b. remained fairly stable until 1900, but then rose between 1900 and 1914.
  c. followed a general upward trend from 1860 through 1920.
  d. exhibited dramatic periods of rise and fall between 1860 and 1920.

[jordangronback]

Answer to Question 1

a. two (doubling).

Answer to Question 2

c. followed a general upward trend from 1860 through 1920.

[newyorker26]

Great answer, keep it coming

[strudel15]

Gracias!