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
Spouse of the Prime Minister of Canada does not officially play as active a role in Canadian affairs as the royal and viceregal consorts. The prime minister's spouse, however, is still generally regarded as a public figure, frequently accompanying the prime minister on campaign and other public appearances, and often hosting dignitaries at the prime minister's residence. At times, prime ministers' spouses have used their public status to promote charitable causes; Mila Mulroney was a spokesperson for the Canadian Cystic Fibrosis Foundation and other children's charities; Aline Chrétien was an active campaigner for literacy programs; and Laureen Harper was known for her support of animal welfare organizations