WASHINGTON (AP) — President Donald Trump said in a letter that he will raise taxes on many imported goods from Canada to 35%, deepening a rift between two North American countries that have suffered a debilitating blow to their decades-old alliance.

Critics say the tariff on Brazil could further erode the Trump administration's credibility as it pursues an aggressive trade agenda.

The levy injects fresh turmoil into a strained bilateral relationship and is a setback as Prime Minister Mark Carney negotiates a new economic partnership with the U.S.