US Pauses 50% Tariffs on $28 B Canadian Imports for 72-Hour Negotiation Window

Flash tariff threats are a recurring tactic in North American trade spats—recall the 35 % U.S. ‘chicken tax’ on Canadian poultry in 1963 or the 20 % softwood lumber duties re-imposed in 2002—yet most end in face-saving compromises. Invoking Section 338 of the 1930 Tariff Act (a Smoot-Hawley-era relic seldom used since the 1971 bedsheets case) signals Washington’s willingness to weaponise forgotten statutes much as it did with Section 232 steel duties in 2018. The episode fits the long arc of cyclical U.S. protectionism that flares during election seasons, testing Canada’s perennial strategy of last-minute lobbying to preserve continental supply chains built since the 1965 Auto Pact and 1994 NAFTA. Whether this brief pause yields a durable accord or another temporary patch matters less today than the larger century-scale trend: North America’s economies keep intertwining, but each resurgence of tariff brinkmanship reminds investors that rules-based trade remains fragile and can be upended overnight by executive fiat.