Mark Carney, a central banker turned politician, steps into his role at a crucial moment as President Trump sets his sights on Canada’s sovereignty and keeps threatening more tariffs.

Canada’s Governor General, or the King of England’s representative in the country, said the ceremony would also involve the swearing-in of a new cabinet.

Justin Trudeau has officially stepped down as the Prime Minister of Canada. Trudeau resigned on Friday after nearly a decade in power. He had announced his resignation in January, as polls indicated that his Liberal Party was likely to face defeat in the upcoming election.