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
Prime Minister of the Netherlands Dutch ministers used to be responsible to the Monarch and the ministers were taking turns to fill the position of the Prime Minister who had little if any control over the other ministers. The Prime Minister's role gained importance when ministers became responsible to the parliament and the position became mostly reserved for the leader of the biggest political party in the House of Representatives. Still, because the position holds limited powers compared to other neighboring parliamentary democracies, the Prime Minister role is described as "primus inter pares" ("first among equals"). Following the constitutional review of 1983, the position of