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 Brazil holders of the office were informally addressed and referred to as "Premier" or "Prime Minister". Often, the expression "President of the Council", a simplified version of the official title, was also used. Prime Minister of Brazil Historically, the political post of Prime Minister, officially called President of the Council of Ministers, existed in Brazil in two different periods: from 1847 to 1889 (during the Empire) and from 1961 to 1963 (under the Second Republic). The parliamentary system was first introduced in the country in 1847 by Emperor Pedro II and maintained until the abolition of the monarchy in 1889. The