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
Brian Mulroney him an advantage that eventually proved decisive. Because of health problems shortly after becoming party leader, Mulroney quit smoking in 1983. By the start of 1984, as Mulroney began learning the realities of parliamentary life in the House of Commons, the Tories took a substantial lead in opinion polling. It was almost taken for granted that Trudeau would be heavily defeated by Mulroney in the general election due no later than 1985. Trudeau announced his retirement in February, and the Liberal Party chose John Turner, previously the Minister of Finance under Trudeau in the 1970s, as its new leader. The