Complex sentence: An advocate for education and literacy, she was appointed to the Senate by Prime Minister Brian Mulroney in November 1986 and sat as a Progressive Conservative until February 2004 when she and most other PC Senators joined the new Conservative Party of Canada.
Split into simpler sentences: An advocate for education and literacy, she was appointed to the Senate on the recommendation of Prime Minister Brian Mulroney in November 1986. She sat as a Progressive Conservative senator until February 2004 when she and most other PC Senators joined the new Conservative Party of Canada.