Plz help me out I don’t want to get any wrong

What is the most likely reason why the movie director left out this part of the novel?

Published in 1849, by was inspired by the writer's experience of being arrested when he refused to pay a $1 poll tax as a protest against the mexican-american war.

What is one way that the author makes a distinction between the first transcontinental railroad and the first transcontinental passenger flights in 1936