Answer:
Great Schism.
Explanation:
The church broke into two schisms, one of the sides was named the protestants. This was due to the news of selling indulgences where basically meant paying to go to heaven and be forgiven for your sins, which turned out to be there just for profit. The protestants became angry and broke apart from the church.
Rob Hall was a New Zealand mountaineer best known for being the head guide of 1996 Mount Everest expedition in which he, a fellow guide and two clients perished. there was a film made in 2015 about it.
I would assume that the author does this to show how indifferent the person in the book is, she/he doesn’t know what they are in life, this makes it relatable to readers who have had this feeling before and it shows how the character is feeling in that moment