Trump has repeatedly insisted that tariffs are coming on Canada and Mexico, despite both countries seeking to address his stated concerns about illegal border crossings and the smuggling of fentanyl. But the Republican president is also motivated by the idea that tariffs would force other countries to “respect” the United States.

Trump has shown a willingness to move swiftly on tariffs in recent days without allowing for drawn-out talks. On Sunday, Trump announced—and then backed off—a threat to impose