What are the purposes of the underlined features in this procedural Text ?

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

Constructed response paragraph: after reading “the case for short words,” do you think the author makes a convincing case that short words are effective? explain your answer and support it with evidence from the selection.

Throughout the memoir, the prisoners are made equal in the way they are treated, and again, eliezer sees their equality in another way. how does he describe the equality?