Which phrase helps the reader understand the meaning of proponents? Youth sports have many proponents. On the other hand, youth sports have opponents, too. I believe that sports temper a person’s spirit. They make him or her strong and durable, just as steel is tempered. Those who froth at the mouth at the idea of school sports are burbling in vain.

making him or her strong and durable

on the other hand, their opponents

youth sports have