Final answer:
NAFTA sparked debates in the US due to its impacts on the economy, leading to discussions about job losses and increased competition.
Explanation:
NAFTA sparked debates in the U.S. primarily due to its effects on the U.S. economy. While NAFTA had positive impacts on trade and employment in the region, there were concerns about job losses, particularly in sectors like manufacturing. The agreement also led to increased competition, affecting local economies and prompting discussions about the balance between benefits and drawbacks.
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