Marketplace host Kai Ryssdal explains the history of the North American Free Trade Agreement.
A brief history of NAFTA
Mexico's Secretary of Economy Ildefonso Guajardo Villarreal, Canada's Minister of Foreign Affairs Chrystia Freeland, and United States Trade Representative Robert E. Lighthizer gather for a trilateral meeting at Global Affairs on the final day of the third round of the NAFTA renegotiations in Ottawa, Ontario, September 27, 2017. LARS HAGBERG/AFP/Getty Images