Mark Carney has been elected leader of Canada’s Liberal Party in a months-long, high stakes race to replace Justin Trudeau.

Former central banker Mark Carney will become Canada’s next prime minister after the governing Liberal Party elected him its leader Sunday as the country deals with U.S. President Donald Trump’s trade war and annexation threat,

The episode has not only given Trudeau a bump in support, but it’s delivered a potential lifeline to his flailing Liberal Party ahead of the expected election. It’s also a boon for his successor, Mark Carney, who was elected Liberal leader on Sunday and will soon take the prime minister’s office, at least briefly.