OTTAWA — The race to replace Canadian Prime Minister Justin Trudeau is dominated by one name: Donald Trump. How to wrestle with the incoming president and his tariff threats has emerged as the defining question in the Liberal Party leadership contest.

The resignation comes as US president-elect Donald Trump continues to troll Justin Trudeau, calling him "governor" and referring to Canada as the "51st state" in a succession of social media posts

Canadian Prime Minister Justin Trudeau once again dismissed US President-elect Donald Trump's remarks suggesting Canada could become the 51st state of the United States.

Outgoing Canadian Prime Minister Justin Trudeau has announced the formation of a Canada-U.S. relations council to support the federal government as it deals with incoming U.S. President Donald Trump's threat to impose a 25% tariff on all imports from Canada.

Prime Minister Justin Trudeau says if “push comes to shove” Canada is ready. Ottawa has a set of retaliatory measures set to drop on Monday if Trump takes action, a senior federal source told POLITICO on the condition of anonymity because they were not authorized to discuss the details publicly.

If the president-elect imposes 25 percent tariffs on Canadian goods, Ottawa may cut off energy supplies or impose its own tariffs.

Canadian Prime Minister Justin Trudeau has suggested that President-elect Donald Trump’s remarks about Canada becoming America’s “51st state” is distracting the public from the harm that steep tariffs would have on U.

Prime Minister Justin Trudeau met with his new Council on Canada-U.S. Relations seeking advice as Canada prepares to retaliate if president-elect Donald Trump imposes punishing tariffs on Canadian imports.