"United States" . . "Mexico" . . "North American Free Trade Agreement" . . . . . . . . . . . "Joint field hearing to address proposed North American Free Trade Agreement with Mexico and Canada, and H.R. 3878, the American Jobs Protection Act : joint hearing before the Committee on Education and Labor and the Committee on Interior and Insular Affairs, House of Representatives, One Hundred Second Congress, second session, hearing held in San Francisco, CA, April 24, 1992"@en . . . . . . "Commercial treaties"@en . . . . . . . . . . . . "Joint field hearing to address proposed North American Free Trade Agreement with Mexico and Canada, and H.R. 3878, the American Jobs Protection Act joint hearing before the Committee on Education and Labor and the Committee on Interior and Insular Affairs, House of Representatives, One Hundred Second Congress, second session, hearing held in San Francisco, CA, April 24, 1992"@en . . "Canada," . .