Frances Russell in the Winnipeg Free Press tells us what happened after the 1980 election:
A Liberal majority with no western seats ignited western rage. Not only do ongoing unrepresentative and perverse electoral outcomes undermine democratic legitimacy and suppress turnout, they rupture the bonds holding the country together, artificially fomenting regional alienation and fracturing national unity.
Trudeau invited Broadbent to his office for a chat. The NDP had captured 26 of its 32 seats in Manitoba, Saskatchewan and B.C. with about one-third of the vote. Trudeau said he would introduce legislation for proportional representation if the NDP would co-sponsor it.
According to ...