What Have Writers Such as Kusz Concluded About Why Extreme

What have writers such as Kusz concluded about why extreme sports are celebrated in America?

A) They are a celebration of diversity in modern America
B) They enable the return of the strong, confident white male, no longer paralysed by feelings of anxiety, uncertainty, resentment and paranoia.
C) Their emergence in the USA is a source of national pride.
D) The USA has produced the most world champions in alternative sports.