What allusion is made in the first paragraph of the story of balboa and how does this allusion shape readers' understanding of balboa's character?

The answer is:

" He does not remember what it is to be civilized, or if he ever was. If ever a man was alone, it is he."

Explanation:

As we can see from its definition.

Allusion: is a brief and indirect reference to a person, place, thing or idea of historical, cultural, literary or political significance. It does not describe in detail the person or thing to which it refers.

In this short story, Vasco Núñez de Balboa, by Sabina Murray, ascends the mountain alone  and has a flashback about himself

" He does not remember what it is to be civilized, or if he ever was. If ever a man was alone, it is he."

they should gives us more chances to make friend and do stupid things