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 Australia husband became prime minister. Ethel Page held senior offices in the organisational wing of the Country Party. All prime ministers except John McEwen and Julia Gillard were married for the duration of their term in office. McEwen was a widower during his short term, while Gillard had a domestic partner, Tim Mathieson. Until relatively recently it was uncommon for the spouse of a prime minister to have their own career. Zara Holt, a fashion designer, was the first to continue her career during her husband's term in office, and reputedly earned more money than him. Other businesswomen to hold the