On December 19, 2019, the U.S. House of Representatives passed the USMCA with multiparty support with 385 votes (Democracy 193, Republican 192) to 41 (Democracy 38, Republican 2, Independent 1).  On January 16, 2020, the U.S. Senate passed the trade agreement by 89 votes (Democrats 38, Republicans 51) to 10 (Democracy 8, Republican 1, Independent 1) and the bill was forwarded to the White House for the signature of Donald Trump.  On January 29, 2020, Trump signed the agreement (Public Law No: 116-113).  NAFTA has been formally amended, but not the 1989 Canada-U.S. Free Trade Agreement, which is only “suspended.”   The United States, Mexico and Canada have reached an agreement to modernize NAFTA, which is 25 years old, into a high-level agreement of the 21st century. The new agreement between the United States and Mexico-Canada (USMCA) will support mutually beneficial trade, which will lead to freer markets, fairer trade and robust economic growth in North America. Negotiations had begun between the leaders of the three countries, which meant a revision of the trade agreement dated to the 21st century.
“Canada is working with the United States and Mexico on uniform trilateral rules that are necessary before the agreement can enter into force for all three countries.” At a congressional hearing on June 17, Robert E. Lighthizer, the U.S. Trade Representative, said he insisted that the agreement take effect on July 1, even during a pandemic, so that the new rules could be enforced. To show how painful the new trade agreement could be, Lighthizer said the U.S. has addressed a number of issues “that are quite troubling.” Under the leadership of President Donald J. Trump, the United States renegotiated the North American Free Trade Agreement and replaced it with an updated and balanced agreement that works much better for North America, the U.S.-Mexico-Canada Agreement (USMCA), which came into effect on July 1, 2020. The USMCA is a mutually beneficial benefit to workers, farmers, farmers and businesses in North America. The agreement creates more balanced and reciprocal trade that supports high-paying jobs for Americans and cultivates the North American economy. The labour chapter obliges the parties to adopt and maintain labour rights in laws and practices recognized by the International Labour Organization, to effectively enforce their labour laws and not to renounce or revoke their labour laws. OTTAWA — The renegotiated North American Free Trade Agreement will enter into force on July 1, three years after talks began with the revision of the trilateral trade agreement between Canada, the United States and Mexico. The formal negotiation process began on May 18, 2017, when the USTR announced to Congress that it wanted to renegotiate NAFTA starting at 90 days.  In accordance with the trade promotion authority`s statutes, the USTR published its document on the main objectives of the negotiations on 7 July 2017.
Negotiations began on August 16, 2017 and continued until April 8, 2018. Without a solution, Lighthizer said on May 2, 2018, that negotiations would be suspended until 2019 until 2019 if no agreement was reached at the end of the month. This statement was justified by the impending change of government in Mexico, during which the then President, Andres Manuel Lopez Obrador, did not agree with much of the negotiated language and was perhaps unwilling to sign the agreement.