Trump kicks off trade pact ratification, but new tariffs pose obstacle

The three countries signed the US-Mexico-Canada Agreement in November, to update the 25-year-old North American Free Trade Agreement, and Trump this month cleared a major stumbling block to approval by removing contentious US tariffs on Canadian and Mexican steel and aluminum. But the US president put the accord at risk by announcing tariffs on Mexico over illegal immigration.

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The three countries signed the US-Mexico-Canada Agreement in November, to update the 25-year-old North American Free Trade Agreement, and Trump this month cleared a major stumbling block to approval by removing contentious US tariffs on Canadian and Mexican steel and aluminum. But the US president put the accord at risk by announcing tariffs on Mexico over illegal immigration.