An informative essay’s conclusion should

connect back to the thesis while summarizing and extending the main points.
introduce a new subtopic of the thesis that has not been discussed yet.
explain to the reader why the content of the essay is of importance.
restate the essay’s thesis statement exactly as it appeared in the introduction.

this is b. how railways dealt with people riding the trains without paying

(you didn't attach a copy of the poem, but i'm answering as best as i can)

since a simile compares two unlike things using like or as, it kind of gives an item the ability to do something it can't.

example: "the player was like a tiger on the field"

in this sentence, the simile conveys the idea that the player was fast and strong, like a tiger.

wheres the passage with the idiom underlined