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 Latvia Party: Prime Minister of Latvia The Prime Minister of Latvia () is the most powerful member of the Government of Latvia, and presides over the Latvian Cabinet of Ministers. The Prime Minister is nominated by the President of Latvia, but must be able to obtain the support of a majority of the Saeima (parliament). The tables below display all Latvian Prime Ministers from both the first period of Latvian independence (1918–1940) and since the country regained its independence (1990–present). From 1990 to 6 July 1993, the office was known as Chairman of the Council of Ministers, but is generally considered