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 Iran rarely used. The prime minister was usually called by the honorific title "hazrat-e ashraf". Reza Khan Sardar Sepah became the last prime minister of the Qajar dynasty in 1923. For a list of Iranian 'prime ministers' prior to 1907 see List of Premiers of Iran (1699-1907). In 1925, Reza Shah became Shah of Iran. He installed Mohammad-Ali Foroughi as the prime minister. In 1941 his son Mohammad Reza Pahlavi became Shah. He installed Mohammad-Ali Foroughi as the prime minister too. In 1951, Mohammed Mosaddeq became Prime Minister but was overthrown in a counter coup d'état in 1953. Amir-Abbas Hoveyda became