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
Prime Minister of Rhodesia Prime Minister of Rhodesia The Prime Minister of Rhodesia (before 1964, of Southern Rhodesia) was the head of government in Rhodesia. Rhodesia, which became a self-governing colony of Britain in 1923, unilaterally declared independence on 11 November 1965, and was thereafter an unrecognized state in practice until 1979. In December 1979, the country came under temporary British control, and in April 1980 the country gained recognized independence as Zimbabwe. Rhodesia's political system was modeled on the Westminster system, and the Prime Minister's role was similar to that of the same position in other countries with similar constitutional histories – Canada,