Based on the price of sweaters, it was likely that because NAFTA, the United States imported sweaters from China.
Nations will generally import from nations that charge the cheapest amount for the goods and services being imported.
Before NAFTA made Mexican sweaters cheaper thanks to the removal of tariffs, Chinese sweaters were cheaper at $18.00 which means the U.S. likely imported sweaters from China.
Find out more on NAFTA at https://brainly.com/question/644093.