Question: Boxing in the 1980s was filled with important fights, events and personalities that shaped the sport, WBO and which one of how many major organizations recognized by the International Boxing Hall of Fame (IBHOF) which sanction world championship boxing bouts, began operating?
Sentence (from "Boxing in the 1980s"): Boxing in the 1980s was shaped by many different situations, such as the continuous corporate battles between the different world sanctioning organizations, the void left by Muhammad Ali as the sport's ambassador and consequent search for a new boxing hero, the continuous presence of Don King as the sport's most famous promoter, the surge of rival promoters as Bob Arum, Butch Lewis and Murad Muhammad, and major rule changes.
Relevant evidence: No