Research conducted by Perplexity AI using the following sources:

• US declines to extend North American trade deal, starting ...
• US blocks long-term renewal of North American trade deal
• Trump refuses to renew US-Canada-Mexico trade pact he once championed
• U.S. rejects USMCA trade pact, toppling a pillar of global ...
• The US, Canada and Mexico begin bumpy negotiations to renew North American trade pact
• Trump says he might not renew USMCA