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Tariff timeline: How Trump turned global trade into an economic battlefield

Any doubt that the president was "all talk" about tariffs has been put to rest amid a flurry of tariffs, threats and retaliatory duties going into effect in a matter of weeks.
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President Donald Trump's dizzying tariffs rhetoric has caught the economy flat-footed.

While Trump has long lauded trade duties as a solution to a host of economic woes, it has been the tariffs' erratic rollout and shifting rationales that have alarmed investors.

Trump has threatened or imposed tariffs targeting Mexico, Canada, China, Europe and the rest of the world.

Below is a play-by-play of how Trump's trade rhetoric and responding measures by the nations he has targeted have played out.