If there is a shared mission at this year’s G7 summit, which begins Monday in Canada’s Rocky Mountains, it is a desire to minimize any fireworks at a moment of combustible tensions.

Trump’s calls to make Canada the 51st U.S. state have infuriated Canadians, and Prime Minister Mark Carney, who won his office by pledging to confront the U.S. president’s increased aggression, now hosts the G7 summit.

Leaders from the Group of Seven nations gather for an annual summit in Kananaskis, a Canadian mountain resort near Calgary.