In the first year of the Trump administration, the president’s threats to upend the global trade system seemed like mostly bluster — lots of threats, not much action. Not anymore.
The administration moved forward with a 25 per cent tariff on $50 billion of Chinese imports. In recent weeks, it imposed taxes on imported steel and aluminum, including that from close allies like the EU and Canada. And those actions both follow earlier measures on washing machines and solar panels. All of which prompts some important questions: Is the United States engaged in what should be classified as a trade war?

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