Trade tensions between Canada and the United States are rapidly escalating following the breakdown of negotiations. Canada has vowed to retaliate with billions in counter-tariffs, characterizing the situation as an "attack." This response comes after the US imposed tariffs, prompting Ottawa to take defensive measures to protect its economy. US President Trump has responded firmly, signaling no intention to back down from his stance. The dispute threatens to significantly disrupt North American trade and potentially harm both economies. The failed talks suggest a prolonged period of trade conflict between the two nations is likely. The situation stems from what is being described as a "mistake" by President Trump, fueling further anger from Canadian officials like Carney.