Donald Trump's announcement of a 25% tariff on imports from Canada, including electricity, copper, and aluminum, as part of his economic policy during his second term, aiming to address illegal immigration and drug trafficking, particularly fentanyl, from Canada and Mexico.

This tariff policy, detailed in a White House fact sheet from February 2025, is part of a broader U.S. trade war with Canada and Mexico, escalating tensions and potentially violating the USMCA, a free trade agreement from 2020, according to Canadian and Mexican officials.

The tariffs have strained U.S.-Canada relations, boosted Canadian nationalism, and are intended to reduce the U.S. trade deficit with Canada, estimated at $55 billion in 2024, while pressuring Canada to secure its border.