The document discusses Gruben and Welch's argument that NAFTA is better described as a "Hegelian dialectic" of liberalization and protectionism rather than true economic integration. The authors claim NAFTA liberalizes trade to some extent but also includes protections for sensitive industries. Critics argue the examples of protectionism are weak and NAFTA has led to more integration and liberalization in North America, weakening the Hegelian dialectic view.