US tariffs on Mexico, Canada and China take effect, opening door to painful trade war
President Donald Trump’s blanket 25% tariffs on Mexico and Canada took effect on Tuesday, an extraordinary action aimed at bringing America’s top trading partners to heel. But it threatens to weaken the North American economy, including that of the United States, at a time of significant stress.

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18 viewpointsTrade tensions heat up as China and Canada retaliate against U.S. tariffs
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28 viewpointsPresident Trump's Long-Threatened Tariffs Against Canada and Mexico Are Now in Effect
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8 viewpointsPrices rose along border ahead of Trump's tariffs — now disruption looms
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9 articlesDonald Trump Tariffs Smack Markets, Dow Plunges As Canada, Mexico & China Retaliate
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