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.

Our country is vulnerable to an “America First” president who has an attraction to tariffs and a conviction that the U.S. is getting a raw deal from even some of its closest and friendliest partners.

As Donald Trump teases steeper tariffs on Canadian products, Canada readies its $37 billion in retaliatory measures and politicians begin debating the move. Targets will likely be critical minerals with national unity and economic ties to the center.

Trump has gloated over making Canada the 51st state of the union, threatening to use "economic force." Here's what to keep in mind if that were to happen.

The government is preparing for the possibility that the incoming U.S. administration will impose high tariffs on Canadian goods, setting the close allies up for a showdown.

He recently shared two maps of the United States that also include Canada on Truth Social, and they are going viral. Both maps are all over my timeline with two very distinct points of view. BREAKING: Trump shares map with Canada as part of the United States pic.twitter.com/ZYNs3OVUUy

President-elect Donald Trump reacted to Canadian Prime Minister Justin Trudeau's decision to resign on Monday, Jan. 6, suggesting that now would be a good time for Canada to join the United States

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.