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 House of Commons was the largest in Canadian history, passing the record set by John Diefenbaker in 1958. He again led the Progressive Conservatives to the polls in the 1988 general election and was returned to power, but with a reduced majority. Mulroney stood for election to the House of Commons three times, once in a by-election after he was elected party leader, and twice in general elections. He was elected each time, with substantial majorities. Mulroney announced his retirement from politics in 1993 and was succeeded as prime minister and leader of the Progressive Conservatives by Kim Campbell. Mulroney