«We`ve always talked about agreements that don`t have teeth, and this one`s grinding your teeth,» said Ben Davis, director of international affairs for the United Steelworkers union. «Maybe not a full mouth, maybe not as spicy as we need it, but it has a few teeth, and we`re all waiting to see how it goes.» Other changes include opening up Canadian dairy markets to increased U.S. exports, enhanced intellectual property protection including new technologies, higher safety and environmental standards, and understanding that Mexican workers are better able to organize and create unions. With respect to the settlement of trade disputes, the NAFTA Chapter 19 provision has been maintained. Overall, the USMCA enjoys multi-party support in the United States, with the Trump administration and congressional Democrats winning the agreement. Lighthizer cited Mexico`s refusal to accept U.S. biotech products – such as genetically modified maize and other crops – as an area in which the United States could present a case under the new trade agreement. Mexico`s labor reforms and the treatment of U.S. media companies are also used by the United States. Lighthizer told lawmakers that his agency would take «early and often» steps to address violations of the agreement`s labor rules to improve wages and working conditions, particularly in Mexico. The process of enacting a law into law is separate from the introduction. Even if a bill goes through all the levels necessary to become law, it may not automatically come into force. In addition, a law that has never come into force can be repealed.
 The North American Labour Cooperation Agreement (NAALC) came into force in January 1994. It is one of two parallel agreements to the North American Free Trade Agreement between the United States, Canada and Mexico. The agreement is managed by the Commission for Professional Cooperation, composed of a Council of Ministers and a trinational secretariat, based in Washington D.C. Currently, four provinces (Quebec, Alberta, Manitoba and Prince Edward Island) are signatories to NAALC through an intergovernmental agreement. In Canada, the Office for Inter-American Labour Cooperation acts as a Canadian NAO within the Labour Branch of Human Resources and Skills Development Canada. The Canadian NAO also provides for the filing and receipt of public communications (complaints) on labour law issues that arise in the territory of another contracting party and serves as the official auditing body in Canada. Like many Democrats, Lighthizer criticized U.S. trade deals because it allows both U.S. factories to move abroad and there are no tools to fight those who break the rules. During months of negotiations with Canada, Mexico and democrats in Congress, Mr. Lighthizer established a coalition and made changes to the trade agreement that received broad support between the parties.
In 1994, the United States, Mexico and Canada, with the North American Free Trade Agreement (NAFTA), created the world`s largest free trade region, which generated economic growth and helped improve the living standards of the people of the three member countries. By strengthening trade and investment rules, this agreement has proven to be a solid foundation for building Canada`s prosperity and has provided a valuable example of the benefits of trade liberalization for the rest of the world.