US–Canada Softwood Lumber Disputes During the NAFTA Era (1991–2017)

Canada–U.S. free trade era begins

The Canada–United States Free Trade Agreement took effect, deepening integration in goods trade. Softwood lumber became one of the most persistent flashpoints because U.S. producers argued Canadian provincial timber pricing gave Canadian mills an unfair advantage. This set the context for repeated trade-remedy cases and negotiated restraint deals during the NAFTA era.

• Britannica