Prime minister leader, the incoming leader will usually be referred as "prime minister-in-waiting". An example or this situation was in 2016 in the United Kingdom when Theresa May was elected leader of the Conservative Party while David Cameron was still prime minister. Ukraine's constitution (1996) lists the powers, functions and duties of the Prime Minister of Ukraine. Most prime ministers in parliamentary systems are not appointed for a specific term in office and in effect may remain in power through a number of elections and parliaments. For example, Margaret Thatcher was only ever appointed prime minister on "one" occasion, in 1979. She
Prime Minister of Iran he was voted down by the then left-leaning majority of the parliament, which then forced their own preferred prime minister to Khamenei, namely Mir-Hossein Mousavi. The dispute was finally ended by interference of the Supreme Leader, Ayatollah Khomeini, who advised the president to accept Mousavi. Mousavi served under the title until 1989, when the constitution was amended to remove the title of Prime Minister and divide his responsibilities between the president and a newly created title of First Vice President. Prime Minister of Iran The Prime Minister of Iran was a political post in Iran that had existed during several