I am in need of a few friends please be my friend

Read the excerpt from how the grimm brothers saved the fairy tale. which idea does the author develop with the text example cited in the excerpt ?

Both adam smith and ayn rand would agree th o individuals and businesses want what benefits them the most. society benefits when people want what is best for everyone. individuals become wealthy because of actions by the government. society benefits when individuals agree to sacrifice to others. c

What point is the author trying to make by comparing the travel times of the first transcontinental railroad and the first transcontinental flight?