The political weight attached to whether and where to build pipelines in Canada came through clearly Thursday night in a French-language leaderssa国际传媒� debate that also saw the leaders of the three main federal parties seeking to curb the rise of the Bloc Quebecois.

The spirited two-hour contest marked a milestone for the federal election: itsa国际传媒檚 the final time the six federal party leaders faced Canadians before advance polls open Friday and with them, the countdown to the Oct. 21 election day begins in earnest.

The leaders argued over a wide range of subjects that had yet to be tackled in detail so far in the campaign, including digital rights, costs for seniors and Canadasa国际传媒檚 trade with China.

But it was pipelines that kept coming up, so often that moderator Patrice Roy, a Radio-Canada host, even chided the leaders for bringing them up in a segment that was focused on immigration.

The politics of building them loom large in Quebec, along with the battle against climate change, and all the leaders on stage Thursday were to some degree fighting for their political lives in a province whose voters can decide whether a party wins a majority government.

NDP Leader Jagmeet Singh and Green party Leader Elizabeth May used Liberal Leader Justin Trudeausa国际传媒檚 decision to nationalize the Trans Mountain pipeline as a cudgel to repeatedly whack down any further pledges his party might make on the environment. Bloc Quebecois Leader Yves Blanchet also used it as a proxy sa国际传媒� how could the Liberals afford that, but not money for Indigenous children, he wondered.

Those three, plus Conservative Leader Andrew Scheer and Peoplesa国际传媒檚 Party Leader Maxime Bernier, did repeatedly gang up on Trudeau, though he was most often placed on the defensive by Scheer, who rarely missed a chance to pivot an answer into an attack on the Liberalsa国际传媒檚 record.

The duo repeatedly accused each other of being ridiculous or engaging in half-truths, including on the costings of their respective platforms. The Liberals have not included the price tags for significant elements of theirs, while the Conservativessa国际传媒� full costing is expected to only be made public on Friday.

But Blanchet often found himself in the crossfire as well; polls suggest his party is growing its support in Quebec and the other leaders he shared a stage with on Thursday are losing support as a result.

Trudeau suggested Blanchetsa国际传媒檚 idea for an equalization payment plan linked to environmental goals wouldnsa国际传媒檛 work without a federal government that had national support to implement it. The last time the Bloc was strong they didnsa国际传媒檛 manage to advance their agenda, this time will be no different, Trudeau said.

sa国际传媒淲hat is clear is that Quebecers want to be part of the action, not part of the Opposition,sa国际传媒� he said to reporters after the debate.

Scheer tried to paint Blanchet as a separatist, accusing him of sa国际传媒渉iding his true intentionssa国际传媒� to make a plan with the separatist Parti Quebecois immediately after the election to revive the sovereigntist movement.

Blanchet later said he took the attacks as a compliment.

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Scheersa国际传媒檚 conservatism was also attacked from the other direction by Bernier, who attempted to paint his former Conservative party colleague as simply another version of the Liberals. Positioning his own party as far more conservative than the one he left has been a key strategy for Bernier.

sa国际传媒淢r. Trudeau and Mr. Scheer have the same stance on climate change,sa国际传媒� he alleged, before further attacking one pillar of Scheersa国际传媒檚 approach to address emissions abroad.

Trudeau cast Scheer and Bernier as the climate-change outliers, saying there were only sa国际传媒漟our of us here who will fight to protect the environment.sa国际传媒�

May was making her French-language debate debut in the current campaign. The previous French debate, hosted by television network TVA, excluded her.

May said another hot-button issue in Quebec, a bill that forbids the wearing of symbols of faith by some of the provincesa国际传媒檚 public servants, should not get as much attention during this campaign as it has.

sa国际传媒淲e have talked more about that than the climate crisis, and that worries me.sa国际传媒�

She stressed her partysa国际传媒檚 credentials, returning to her familiar refrain that climate change needs more urgent action because sa国际传媒渙ur house is on fire.sa国际传媒� And she echoed Swedish climate activist Greta Thunberg early, saying the other leaders donsa国际传媒檛 take the issue seriously enough sa国际传媒� sa国际传媒淗ow dare you?sa国际传媒� she demanded.

But she faced grilling over how shesa国际传媒檇 pay for her climate plans.

Another contentious issue in Quebec, a proposed sa国际传媒渧alues testsa国际传媒� for immigrants, was also part of the debate, with Trudeau suggesting the idea was appropriate as itsa国际传媒檚 up to Quebec to decide what questions to ask people who wish to settle there.

Thursday nightsa国际传媒檚 French debate got off to a much less frantic start than the officially sanctioned English debate on Monday, also at the Canadian Museum of History in Gatineau, Que.

Mondaysa国际传媒檚 two-hour contest in English included lengthy bouts of crosstalk and mudslinging and several leaders had complained the format didnsa国际传媒檛 allow enough time to get their points across.

After Thursdaysa国际传媒檚 event, Scheer said he still thought there hadnsa国际传媒檛 been enough time for him and Trudeau superficially to go head-to-head.

Polls have suggested the two previous televised debates gave a boost to the NDP and Bloc Quebecois, but didnsa国际传媒檛 move the needle for the front-running Liberals or Conservatives.

The NDPsa国际传媒檚 continued loss of support in a province that once handed them official Opposition status is a continued sore point for Singh. Earlier Thursday he had shrugged off the fact the Bloc Quebecois is picking up some of those voters, and during the debate he directly hit at Blanchetsa国际传媒檚 assertion that Quebecers must vote for the Bloc to protect their interests.

sa国际传媒淵ou have no monopoly over Quebec,sa国际传媒� he said.

Meanwhile, Scheer was widely considered to have taken the hardest hit in Quebec after the previous French-language debate, and though his aides had been bullish on Tory chances in the province, theysa国际传媒檝e now dialled back that enthusiasm.

Thursdaysa国际传媒檚 debate featured five themes: economy and finances, environment and energy, foreign policy and immigration, identity ethics and governance and services to citizens.

The Canadian Press

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