The second sentence of the conclusion can
mention other ideas related to the topic
shift the argument into a new direction
change the thesis statement's focus
none of the above

The answer is a. society, sociology is the  systematic study of social interaction. it's a social science.

In paragraph 47, it says “moments like these make a pioneering flight anything but dull” i’d say he’s optimistic and determined? ? and in 48, it describes how i’m assuming people he looks up to walked the same path so maybe he’s honored to be on the journey ? sorry if i’m wrong.