Canada isn’t known for making a fuss, with niceness essentially part of its national brand.

Not anymore. Canadians are angry, and they’re showing it.

Threats by President Trump to impose 25 percent tariffs on Canadian exports and to annex the country have set off cascades of fury.

“Do you know how angry you have to be with the United States to intentionally go out and purchase Canadian-made toothpaste? Because I’m there,” Janel Comeau, a Canadian illustrator and writer based in Halifax, Nova Scotia, posted on X.

The call to rally against Mr. Trump has helped unify provinces across the political spectrum, including Quebec, which has long defended its French identity. Recent polls have shown national pride in the province has risen.

Even Americans, who rarely pay attention to matters north of the border, are taking note, with Canadian discontent becoming a regular talking point among U.S. television personalties.

“You know it’s bad when you’ve upset the Canadians,” Seth Myers, the host of Late Night, said on X.

Here are some ways Canadians are manifesting their displeasure.