TORONTO (AP) — Canadian Prime Minister Justin Trudeau called American tariffs “very dumb” and said that U.S. President Donald Trump is appeasing Russia while launching a trade war against Canada.

The tariff actions, which could upend nearly $2.2 trillion in two-way annual U.S. trade, went live hours after Trump declared that all three countries had failed to do enough to stem the flow of the deadly fentanyl opioid.

President Trump said Tuesday he will impose more tariffs on Canada if it retaliates against the U.S.’s trade actions. “Please explain to Governor Trudeau, of Canada, that when he puts on a Retaliatory Tariff on the U.