Mr. Trudeau and Canadian Foreign Minister Chrystia Freeland announced that they would join the agreement if it was in Canada`s interest.  Freeland returned prematurely from his diplomatic trip to Europe and cancelled a planned visit to Ukraine to participate in the NAFTA negotiations in Washington at the end of August, D.C.  According to an August 31 Canadian press, published in the Ottawa Citizen, key supply management topics, Chapter 19, drugs, cultural exemption, sunset clause and de minimis thresholds.  In July 2017, the Trump administration presented a detailed list of changes it wanted to make to NAFTA.  The top priority was to reduce the U.S. trade deficit.   The government has also called for the abolition of provisions allowing Canada and Mexico to challenge U.S. tariffs and impose import restrictions on the United States, Canada and Mexico.  The list also highlighted subsidized state-owned enterprises and monetary manipulation.   Quarterly Journal of Economics. “Measuring the inequality of trade profits.” Call on March 25, 2020. The political gap was particularly large in terms of views on free trade with Mexico.
Contrary to a positive view of free trade with Canada, which 79% of Americans called fair trade partners, only 47% of Americans thought that Mexico practiced fair trade. The gap between Democrats and Republicans has widened: 60% of Democrats thought Mexico was fair trade, while only 28% of Republicans did. That was the highest number of Democrats and the lowest figure ever recorded by Republicans in the Chicago Council survey. Republicans had more negative views on Canada than fair trade partners and Democrats.  Foreign direct investment (FDI) in NAFTA countries (stock) amounted to $327.5 billion in 2009 (the most recent data available) [when?], an increase of 8.8% over 2008.  U.S. direct investment in NAFTA countries amounted to non-bank holdings as well as manufacturing, financial/insurance and mining sectors.  Foreign direct investment by Canada and Mexico in the United States (stocks) was $237.2 billion in 2009 (the latest data available), an increase of 16.5% over 2008.  On September 30, 2018, the United States and Canada agreed on an agreement to replace NAFTA, which will now be called the USMCA, the agreement between the United States, Mexico and Canada.
In a joint press release from the U.S. and Canadian trade offices, officials said that NAFTA was indeed negotiated by Bill Clinton`s predecessor, George H.W. Bush, who decided to continue negotiations on opening trade with the United States.