sentences:  However, PSERA had been passed over the objections of AUPE and other unions, who remembered Alberta Premier Peter Lougheed's 1971 pre-election promises of full bargaining rights for public employees.Instead, Lougheed's government passed the most restrictive labour legislation in Canada, which included compulsory arbitration designed to favour employers.AUPE's inception took place in 1976, the same year that Canadian Prime Minister Pierre Elliot Trudeau announced wage and price controls with an Anti-Inflation Board, making it illegal for employers to negotiate pay increases above a certain guideline.