Trump's decision to set in motion a possible end to largely free trade in North America comes amid some scepticism from Democrats about the new trade deal
The NAFTA deal that is taking shape would likely strengthen North America as a manufacturing base by making it more costly for automakers to import a large share of vehicle parts
If doubts remained, consider the environment section: Mexico and the US agreed to prohibit "shark-finning," the practice of cutting the fins from sharks and leaving them to die
Mexico and Canada have opposed the US sunset demand that would kill the pact unless it is renegotiated every five years, a plan that business groups also say will stifle long-term investment decisions