Prime Minister Anthony Albanese was returned to power in an election Saturday, the latest left-leaning leader to achieve a comeback victory thanks partly to President Trump.

In 2012, when Mark Carney left Canada to helm the Bank of England, he said he was going to where “the challenges are greatest.” Those now facing him as Canada’s prime minister are significant. The five-week campaign and electoral map revealed a country with two dominant parties with starkly different agendas — and regional divisions that could test national unity as Canada confronts President Donald Trump’s trade war and annexation threats.