Some trade experts and diplomats predict that although the tension and anxiety around Canadian-US trade created under Trump will settle down now, it won’t necessarily mean better trade deals for Canada, since the Democratic party is known for having anti-trade sentiments.
The new CUSMA trade agreement that replaced NAFTA this year might be subject to change under the Biden administration. 
Trump’s approval of the permit for the controversial Keystone XL pipeline, which Obama had cancelled, is bound to be cancelled again by Biden, which would be a blow to the already hurting energy sector in Alberta.
Biden is also an advocate of American protectionist policies that may prevent Canadian companies from bidding on infrastructure projects. The Canaan customs department is keeping on top of developments.
 Canada U.S. trade under a Biden presidency, Inside Logistics