Prime Minister of New Zealand signed a number of international treaties. In 1967, Keith Holyoake became the first New Zealand prime minister to select candidates for the position of governor-general without any involvement of the British government. Holyoake advised the monarch, Queen Elizabeth II, to appoint Sir Arthur Porritt, the first New Zealand–born governor-general. After the mixed-member proportional (MMP) system was introduced in 1996, prime ministers have had to manage minority governments. The skill of MMP management was exemplified by Helen Clark's nine years as prime minister (1999–2008), when her Labour Party remained in power thanks to a range of confidence and supply agreements with
Spouse of the Prime Minister of Canada Minister's Office. Some prime ministers' spouses have also attracted attention for other reasons: Maryon Pearson was noted for her prickly wit, having made a number of famous quips which are still regularly featured in anthologies of famous quotations. Margaret Trudeau, whom Pierre Trudeau married while in office, became a notable celebrity in her own right, most famously when she was featured on the covers of international tabloids after being seen partying at Studio 54. Maureen McTeer, spouse of Joe Clark, attracted controversy when she became the first spouse of a prime minister to retain her own surname after marriage. Mila