Simplify the following text for a Grade 13 native English-speaking person.
Original: The International Boxing Federation , or IBF , is one of four major organizations recognized by IBHOF which sanction world championship boxing bouts , alongside the WBA , WBC and WBO .
Simplified: The International Boxing Federation , or IBF , is one of many organizations which sanction world championship boxing bouts , alongside the WBA , WBC , WBO , and a dozen or so others .