President Trump posted a call for Americans to boycott Bombardier, the Canadian aircraft maker, saying it cannot sell planes in the US unless it builds them there. The post came hours before Ottawa's retaliatory tariffs against Washington were set to take effect.

The timing links the boycott call directly to the tariff dispute: Canada is imposing tariffs on US goods in response to earlier US measures, and Trump's Bombardier comments read as a direct escalation aimed at a flagship Canadian manufacturer rather than a policy on all imports.

What is unresolved is whether the administration will follow words with an actual trade action against Bombardier specifically, such as tariffs or a procurement ban, or whether this stays at the level of social-media pressure.