Reread lines 20-31. How does the author develop the sense that events are unfolding quickly? Support your answer with explicit textual evidence.

The line explains the fact that in olden days  when the means of travelling from one place to another place was not that easy ,it used to take days to travel from one place to another, the immigrants where only allowed to carry one suitcase but in today's scenario one can travel from one place to another in just few hours and thus the time to travel has decreased .

Explanation:

The line explains the fact that in olden days  when the means of travelling from one place to another place was not that easy ,it used to take days to travel from one place to another, the immigrants where only allowed to carry one suitcase but in today's scenario one can travel from one place to another in just few hours and thus the time to travel has decreased .The author emphasizes on the fact that not only the time taken to travel has reduced even the   the baggage's that the immigrants used to carry with them selves has reduced

The textual evidence that support the above statement is

"A hundred years ago, most immigrants to the United States arrive by ship and were only allowed one suitcase for the long voyage. They left almost all their belongings behind. Recent immigrants have a much faster journey, but many of them bring very few items with them."