Nick was referring to the discovery of George's body. Holocaust is defined as a slaughter...... Myrtle, Gatsby, and Tom had each lost their lives for nothing....... they were the sacrifice of those who didn't care for anything or anyone beyond themselves.
Hope this helps!
Answer:
who: the student
what: won the competition
where: school?
when:during school
why: *put why they won*
how: *what they did to win*