Original sentence: It has been proposed that from the next Australian federal election the seat will be abolished and replaced by a new Division of McMahon, after the former Prime Minister.It was first held by Sir William McMahon, the twentieth Prime Minister of Australia
Edited sentence: He was Prime Minister 1970-72.It has been proposed that from the next Australian federal election the seat will be renamed the Division of McMahon, after the former Prime Minister.It was first held by Sir William McMahon, who retained the seat for over 32 years, until 1982