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
First Vice Prime Minister of Ukraine First Vice Prime Minister of Ukraine First Vice Prime Minister of Ukraine is a government post of Cabinet of Ukraine. In the absence of the Prime Minister of Ukraine, the First Vice Prime Minister performs his or her duty as the acting Prime Minister of Ukraine. In 1991 the post was grandfathered from the already existing First Deputy Chairman that was part of the Council of Ministers of the Ukrainian SSR. In an absence of the First Vice Prime Minister, his or her functions are performed by other Vice Prime Ministers who are members of the Cabinet of Ministers. Similarly