US-Canada Trade War Escalates as Tariffs Take Effect

Canadian and American companies are preparing for severe losses after trade negotiations between Ottawa and Washington collapsed over the weekend, triggering 50 percent tariffs on billions of dollars worth of goods and prompting retaliation that will hit ordinary workers and small enterprises hardest. US President Donald Trump imposed the duties on Saturday targeting Canadian wine, dairy, cement, clothing and hockey equipment, covering around 20 billion dollars in imports. Canadian Prime Minister Mark Carney responded by promising matching levies on American steel, dairy, appliances and electronics starting September 8.

Cindy Baldassi, who runs a jewelry business in Calgary that sells stones and glass pieces, depends on American customers for 75 percent of her revenue. Most of her items now fall under the new tariffs, forcing her to raise prices sharply or watch sales evaporate. She told reporters she expects at least half her business to disappear once buyers see the added costs. Similar fears grip Toronto menswear designer Matteo Sgaramella, whose brand Outclass fills orders months in advance. Shipments already placed by US stores will now carry an unexpected 50 percent surcharge, and he anticipates clients will cancel rather than absorb the expense. Sgaramella warned that many small manufacturers and retailers on both sides of the border will close as a result.

The Canadian dollar fell more than half a percent against the US dollar on Monday, reflecting investor concerns that the duties will slow economic growth in a country more reliant on cross border trade. Economists noted that Canada stands to suffer greater damage because its economy is smaller and more open, with no exemptions remaining for goods that once qualified under the US Mexico Canada Agreement. Targeted sectors include paper products, agricultural equipment and electronics, areas that employ thousands of workers already navigating rising costs.

On the American side some steel producers such as Nucor and Steel Dynamics saw share prices rise on expectations that reduced Canadian competition could boost domestic output. Yet those gains come against a backdrop of broader disruption for companies that import Canadian inputs or export finished goods north of the border. Retailers and manufacturers who built supply chains around integrated North American markets now confront sudden barriers that raise prices for consumers without clear benefits for most workers.

Talks broke down after Canadian negotiators resisted what sources described as excessive US demands, leaving both governments locked into a cycle of escalating duties. Carney pledged to match the value of American tariffs dollar for dollar, while Trump framed the move as necessary protection for US industries. The result is immediate uncertainty for businesses that cannot quickly shift markets or suppliers. Jewelry makers in Alberta and clothing firms in Ontario face the same calculation as American importers of Canadian dairy and wood products: absorb the hit, pass costs to buyers, or shrink operations.

The dispute marks the latest escalation in Trump's trade agenda, which has already strained relations with close allies and disrupted established commercial ties. Small enterprises that lack the lobbying power of large steelmakers now shoulder the heaviest burden, with many owners reporting they have no viable path to maintain previous sales volumes. As the September deadline for Canadian countermeasures approaches, the human costs of the standoff continue to mount for families and communities on both sides of the border.