Conversation so far:
What happened in 1969 with the World Wide Wrestling Federation?
In 1969, McMahon made his debut as an in-ring announcer for the WWWF's All-Star Wrestling.
Was he successful as an announcer?
Throughout the 1970s, McMahon became the prominent force in his father's company.
What else did he do in the company besides being an announcer?
over the next decade, assisted his father in tripling TV syndication.
Did they make a lot of money through syndication?
CANNOTANSWER.
How were they able to improve their company?
He pushed for the renaming of the company to the World Wrestling Federation (WWF).
What other interesting things happened in the 1970s?
Throughout the 1970s, McMahon became the prominent force in his father's company and, over the next decade, assisted his father in tripling TV syndication.

Question: Who were some popular wrestlers at the time?
Self-contained rewrite: Who were some popular wrestlers in the 1970s?