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What was the controversy surrounding the North American Free Trade Agreement (NAFTA)?

A.) Canada and Mexico were reluctant to approve the agreement, creating potential diplomatic problems.

B.) The United States was forced to pay an artificial tariff to Canada and Mexico, so Congress was reluctant to pass it.

C.) It eliminated trade barriers between the United States, Canada, and Mexico, but raised issues about protecting American jobs.

D.) It created trade barriers between the United States, Canada, and Mexico, but protected American jobs.