Brian Mulroney in office). By this time, his approval ratings had dipped into the teens, and were at 11% in a 1992 Gallup poll, making him one of the most unpopular prime ministers since opinion polling began in Canada in the 1940s. There was a consensus that Mulroney would be heavily defeated by Jean Chrétien and the Liberals if he led the Tories into the next election—ironically, the same situation that led to Trudeau's departure from the scene nine years earlier. He announced his retirement from politics in February and was replaced as Prime Minister by Defence Minister Kim Campbell in June.
Prime Minister of Australia time to time Prime Ministers are required to leave the country on government business and a deputy acts in their place during that time. In the days before jet aircraft, such absences could be for extended periods. For example, William Watt was acting Prime Minister for 16 months, from April 1918 until August 1919, when Prime Minister Billy Hughes was away at the Paris Peace Conference, and Senator George Pearce was acting Prime Minister for more than seven months in 1916. An acting Prime Minister is also appointed when the prime minister takes leave. The Deputy Prime Minister most commonly