Canada implemented retaliatory tariffs on approximately US$20 billion worth of American imports starting Tuesday, intensifying an ongoing trade dispute between the two North American neighbors. The Canadian measures include duties ranging from 15% to 50% on a wide range of products, including steel, aluminum, dairy items such as cheese, appliances, agricultural equipment, pulp and paper, electronics, clothing, metal parts, and wood products. These tariffs directly respond to similar U.S. duties imposed last month valued at roughly the same amount, which targeted Canadian goods like hockey sticks and cement.

The trade conflict escalated after negotiations in Washington broke down on August 21. Canadian Prime Minister Mark Carney criticized the U.S. for introducing last-minute conditions, including restrictions on Canada’s broader trade relationships and what he described as unacceptable pressures regarding Quebec’s French language and cultural protections. U.S. officials, however, stated they understood the sensitivity of French language protections and insisted those were not negotiating hard points.

Shortly after Canada’s tariffs took effect, U.S. President Donald Trump announced efforts to restrict federal government procurement of Canadian-origin products, citing a lack of reciprocity for American businesses in Canadian procurement markets. This move signaled a new level in the tit-for-tat dispute, although analysts note the current tariffs affect a relatively small portion of total bilateral trade. Trump also renewed his criticism of Canadian aerospace firm Bombardier Aviation, threatening to block its sales within the United States unless production shifts to U.S. soil. Bombardier highlighted its significant employment across more than 20 U.S. states and its supply chain, which involves approximately 2,800 American companies spanning 47 states, emphasizing its contribution to the U.S. economy.

The ongoing dispute has seen heightened rhetoric on both sides. Carney urged the Trump administration to engage seriously in dialogue rather than resorting to public insults and social media attacks. Meanwhile, some U.S. officials downplayed the idea of a trade war with Canada, pointing to the vast difference in economic scales between the two countries.

Public opinion appears divided: polls suggest a majority of Canadians support their prime minister’s stance, although this may shift as economic repercussions become more apparent. Meanwhile, a minority of Americans reportedly supported the tariffs imposed on Canadian goods. Both governments have so far maintained firm positions with no indication of imminent negotiation, leaving prospects for a resolution uncertain amid fears that prolonged retaliation could harm consumers and industries on both sides.