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

Worsening relations with three of the United States’ biggest trading partners dominated a Senate hearing for the would-be U.S. ambassadors to Canada, Mexico and Japan.

Here's what the polls say about Donald Trump's presidential approval rating amid rising tariffs and escalating trade wars with Europe and Canada