The most accurate response regarding the impact of NAFTA on the economic relationship among the U.S., Mexico, and Canada is:
NAFTA reshaped the economic relationship among the three countries and made them much more enmeshed and interdependent.
This statement highlights how NAFTA facilitated trade, reduced tariffs, and encouraged investment among the three nations, leading to greater economic integration and interdependence. The agreement significantly increased trade volume and production sharing, making the economies of the U.S., Mexico, and Canada more interconnected.