A Chapter 19 panel should consider whether the Agency`s decision was supported by „substantial evidence.“ This standard was a considerable tribute to the national agency. Some of the most contentious trade disputes in recent years, such as the U.S.-Canada dispute over conifers, were negotiated ahead of chapter 19 panels. In particular, the chapter has the strongest trade secrets protection of a previous U.S. trade agreement. It includes all the following safeguards against the misuse of trade secrets, including by state-owned enterprises: civil proceedings and remedies, criminal proceedings and sanctions, prohibitions on obstruction of the licensing of trade secrets, judicial proceedings to prevent the disclosure of trade secrets during the judicial proceedings and sanctions against government officials for unauthorized disclosure of trade secrets. 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. Maquiladoras (Mexican assembly plants that absorb imported components and produce goods for export) have become the emblem of trade in Mexico. They left the United States for Mexico, hence the debate about the loss of American jobs. Revenues in the maquiladora sector had increased by 15.5% since nafta in 1994.  Other sectors have also benefited from the free trade agreement and the share of non-cross-border exports to the United States has increased over the past five years [when?], while the share of exports from border states has declined. This has led to rapid growth in non-cross-border metropolitan areas such as Toluca, Leén and Puebla, all more populated than Tijuana, Ciudad Juérez and Reynosa.
Shortly after his election, U.S. President Donald Trump said he would begin renegotiating NAFTA terms to resolve trade issues for which he campaigned. The heads of state and government of Canada and Mexico have expressed their willingness to cooperate with the Trump administration.  Although he vaguely formulated the precise terms he wants in a renegotiated NAFTA, Trump has threatened to withdraw from it if negotiations fail.  Before sending it to the U.S. Senate, Clinton added two subsidiary agreements, the North American Agreement on Labor Cooperation (NAALC) and the North American Agreement on Environmental Cooperation (NAAEC) to protect workers and the environment, as well as to allay the concerns of many members of the House of Representatives. The United States has required its partners to comply with similar environmental practices and regulations. [Citation required] After much attention and discussion, the U.S. House of Representatives passed the North American Free Trade Agreement Implementation Act on November 17, 1993. Supporters of the deal included 132 Republicans and 102 Democrats. The legislation passed the Senate on November 20, 1993, 61-38.
 The Supporters of the Senate were 34 Republicans and 27 Democrats. Republican Congressman David Dreier of California, a staunch supporter of NAFTA since the Reagan administration, has played a leading role in mobilizing support for the agreement among Republicans in Congress and across the country.   In order to facilitate the increase in cross-border trade, the United States has reached an agreement with Mexico and Canada to increase the de minimis value. For the first time in decades, Canada will increase its de minimis level from $20 to $40 for taxes.