True they were not able to keep up with things
Fog, the other three options would be too high in the atmosphere to cause visibility problems.
Answer:
The right to Liberty is the right to be who you are, the right to become who you choose to become, the right to think what you choose to think, and the right to feel what you choose to feel. The right to pursue Happiness is the right to love as you choose; the right to love your freedom; the right to love your life.
I would go with True because any historian needs a lot of patience to get what they want or to learn about something etc..
I'm not sure what your word choice is, but the economy during the 1920s was "good". Prior to the Depression, the economy was stable and business investments were increasing.