Complex sentence: The Twenty-First Canadian Ministry, under Prime Minister Joe Clark, governed Canada from 4 June 1979 to 2 March 1980, including all of the 31st Canadian Parliament.
Split into simpler sentences: The Twenty-First Canadian Ministry was the cabinet of Prime Minister Joe Clark. It governed Canada from 4 June 1979 to 2 March 1980, including all of the 31st Canadian Parliament.