After a fresh wave of tariffs from the United States, Canada and the European Union said they would impose billions in levies on U.S. goods.

Faced with tariffs imposed by U.S. President Donald Trump, some countries have, so far, responded by turning the other cheek, and not retaliating with their own duties. Canada, however, continues to hit back in the trade war with its neighbour to the south.

Canada and Mexico A 25% import tariff on goods from Mexico and Canada took effect March 4, with an exception for energy products and potash, which received a 10% tariff. The next day, the Trump administration suspended those tariffs until April 2 for autos eligible for duty-free trade under the U.

Canada’s new leader, Mark Carney, rebuked the Trump administration’s vision to make his country the 51st U.S. state. During some of his first public remarks as Canada’s prime minister, Carney made it a point on Friday to knock President Donald Trump and Secretary of State Marco Rubio for their comments regarding his country.

The former central bank chief takes over at what he has called a “time of great consequence” for Canada, with Trump attacking its sovereignty and economic security.