There is not much that can remain relevant for long periods of time – trade agreements must be constantly renegotiated to remain relevant over time. There is always room for improvement in any legislation, especially at a time when technology is moving as fast as it is. However, to simplify, nafta was designed to promote economic growth and integration among North American countries, and it was assumed that it would effectively stimulate employment growth, stimulate the respective economies of the three countries and increase imports. Many critics of NAFTA saw the agreement as a radical experiment developed by influential multinationals who wanted to increase their profits at the expense of ordinary citizens of the countries concerned. Opposition groups argued that the horizontal rules imposed by nafta could undermine local governments by preventing them from enacting laws or regulations to protect the public interest. Critics also argued that the treaty would lead to a significant deterioration in environmental and health standards, promote privatization and deregulation of essential public services, and supplant family farmers in the signatory countries. Proponents of NAFTA in the United States stressed that the pact was a free trade agreement and not an economic community agreement.  The free movement of goods, services and capital did not extend to work. By proposing what no comparable agreement had attempted to open up to a “great third world country” – NAFTA avoided the establishment of a common social policy and employment.
The regulation of the labour market and employment has remained exclusively due to national governments.  The agreement exists between Canada, the United States and Mexico. Examine these NAFTA facts to summarize their impact on these three economies since their adoption. A “secondary agreement” reached in August 1993 on the application of existing domestic labour law, the North American Convention on Labour Cooperation (NAALC) , was severely restricted. With regard to health and safety standards and child labour law, it excluded collective bargaining issues, and its “control teeth” were only accessible at the end of a “long and painful” dispute.  The obligations to enforce existing labour law have also raised questions of democratic practice.  The Canadian anti-NAFTA coalition Pro-Canada Network suggested that guarantees of minimum standards in the absence of “extensive democratic reforms in the [Mexican] courts, unions and government” would be of no use.  However, subsequent evaluations indicated that NAALC`s principles and complaint mechanisms “created a new space for princes to form coalitions and take concrete steps to articulate the challenges of the status quo and promote the interests of workers.”  In a major concession to Democrats, the Trump administration has declared its readiness to support some protections for an advanced and very expensive class of drugs called biologists.