Long-threatened tariffs from U.S. President Donald Trump have plunged the country into a global trade war — all while on-again, off-again new levies further escalate uncertainty.

Across his political career, President Donald Trump has made his case for tariffs by relying on a number of false and misleading claims. Here’s a guide.

A UN trade official warns that escalating US tariffs and China's retaliation could shrink global trade by 3%, prompting shifts in export flows towards emerging economies like India and Brazil. The tariff war is causing supply chain reorientation,