Review the graph and recall what you have learned. What do stock prices during most of the 1920s suggest about the American econ
omy of the time? The stock prices reflect the poor economic conditions of the 1920s.
The stock prices indicate that the 1920s were a time of great prosperity for businesses.
The stock prices suggest that most Americans enjoyed a high standard of living in the 1920s.
The stock prices show that many Americans were struggling financially.
Of these options, the only one that was truly true of both the first and second industrial revolution is the "use of the assembly line" although the length of these lines varied.