Republican candidates in some of the nation's most competitive races are treading carefully as local industries brace for President Trump's tariffs.

President Trump’s levies on a long, eclectic list of products from Canada has companies scrambling to figure out of their supply chains are affected.

Ontario Premier Doug Ford says he hopes Republicans lose the House and Senate in the midterms to hold President Donald Trump accountable for the trade war with Canada.

We thank Canadian tourists every time we see them,” Denniston told ABC News, but he said he’s worried a rekindled trade spat will curtail tourism again. “I’m just astounded. It’s only reasonable to expect it will go back in the other direction.

The US-Canada trade war is straining Iowa's economy, affecting farmers' crop sales, truck drivers' fuel costs and small businesses facing steep tariffs on goods.

Canada has traditionally been the world’s No. 1 purchaser of U.S. exports. But relations between the two neighbors have been deteriorating for more than a year, as Washington has repeatedly accused Ottawa of what it says are unfair trade practices.

President Donald Trump expressed optimism about resolving a trade war with Canada, saying that a deal could come “fairly soon,” but provided no details into whether formal talks between the two economies had resumed.