Brian Mulroney Liberals had a large majority due to their previous long tenure in power. Led by Allan MacEachen, the Senate took a very assertive role in legislation, forcing the government to compromise on several points despite its considerable House majority. A major undertaking by Mulroney's government was an attempt to resolve the divisive issue of national unity. Quebec was the only province that did not sign the new Canadian constitution negotiated by Prime Minister Pierre Trudeau in 1982, and Mulroney wanted to include Quebec in a new agreement with the rest of Canada. In 1987, he negotiated the Meech Lake Accord
Electoral history of Brian Mulroney ranks seventh out of twenty-three prime ministers for time in office, serving one term of eight years, 281 days. He was the fifth of eight prime ministers from Quebec, the others being Sir John Abbott, Sir Wilfrid Laurier, Louis St. Laurent, Pierre Trudeau, Jean Chrétien, Paul Martin and Justin Trudeau. Mulroney was involved in politics from a young age, being active in the Progressive Conservative party while in university. Although he did not run for office, he was well-established within the party. In 1976 he ran for the leadership, but came in third, behind Joe Clark and Claude Wagner. However,