But it wasn't just Trump pushing Carney to reconsider the tax. A nonprofit representing CEOs and leaders of some of Canada's biggest businesses, the Business Council of Canada, had warned that Carney defending the tax risked "undermining Canada’s economic relationship with its most important trading partner," Al Jazeera reported.

"They are obviously copying the European Union, which has done the same thing, and is currently under discussion with us, also," he added.