Prime Minister of New Zealand minister of finance became too big; Prime Minister Sir Robert Muldoon was criticised for taking on the finance portfolio during his time in office as it resulted in a large concentration of power in one individual. Before 1987, it was also common for Prime Ministers to take the role of minister of foreign affairs, so they could represent New Zealand on an international stage. More recent Prime Ministers have taken portfolios relevant to their interests, or to promote specific areas they saw as important. For example, David Lange took the education portfolio in his second term; Helen Clark took the
Deputy Prime Minister of Canada deputy premiership to the premiership of British Columbia in 1999, following the resignation of Glen Clark, and Kathy Dunderdale ascended from the deputy premiership to the premiership of Newfoundland and Labrador in 2010, following the resignation of Danny Williams. Extended notice is usually given when a sitting prime minister does not plan to lead his/her party into another election. Leadership contests to determine the successor to a prime minister are usually held during the final days of the incumbent's term, and are traditionally a lengthy and competitive process. In almost all cases, the outgoing prime minister hands over power directly