The U.S. tariffs on transshipment countries like Vietnam and Cambodia are so steep that they could force a major reassessment of global supply chains.

© Gilles Sabrié for The New York Times

The U.S. tariffs on transshipment countries like Vietnam and Cambodia are so steep that they could force a major reassessment of global supply chains.

In a world lurching rightward, Mexico’s president offers progressives hope.

In a world lurching rightward, Mexico’s president offers progressives hope.

© Luis Antonio Rojas for The New York Times

Trump’s threat to impose tariffs on Mexico undermines his stated intention to eliminate the “chaos” at America’s southern border.

President Trump says the tariffs will encourage investment in U.S. factories, but analysts say car buyers will have to pay thousands more.

© Saul Martinez for The New York Times

President Trump announced sweeping levies on countries across the world. The tariffs create a dilemma for longstanding friends — and an opportunity for foes.

Trump’s threat to impose tariffs on Mexico undermines his stated intention to eliminate the “chaos” at America’s southern border.

Two dozen trade experts gathered recently to simulate how a global trade war would play out. The results were surprisingly optimistic.

The president did not reveal the details of his plan to impose reciprocal tariffs the same day, but suggested he would move ahead with import taxes on trading partners.

Even people sympathetic to some of Trump’s views on trade can’t understand what he’s doing to Canada, our peaceful neighbor.

President Trump’s approach to tariffs has unsettled many corporate leaders who believed he would use the levies as a negotiating tool. As it turns out, he sees them as an end in themselves.

How modern vaccines fell victim to their own success.

By browbeating Mexico and inflicting the pain of a protracted trade war, Trump risks alienating a necessary ally and friend.

China’s exports to developing markets have soared, opening indirect routes to the U.S. market that officials in Beijing worry may be closed under pressure from President Trump.

The president offers many reasons for imposing tariffs, including revenue, leverage over competitors and job creation. But history suggests a more complex history.

The S&P skidded 2.7 percent, amid investor fears that tit-for-tat tariffs could raise prices, slow the economy and sow uncertainty among businesses.

The president still believes that his protectionist trade policies will be “great for us” in the long run, but won’t rule out short-term economic pain.

President Trump said that Americans would be better off in the long run from his tariffs, which he said would prevent the country from being “ripped off.”

The electric car company led by Elon Musk builds all the cars it sells in the United States in California and Texas, shielding it from tariffs that could devastate competitors.

Corporate chiefs see “chaos,” and investors see red as the effect of President Trump’s shifting trade policy begins to weigh on board rooms and trading rooms.

Instead of reflexively condemning tariffs, Democrats should embrace them as part of a smarter strategy to revitalize American manufacturing.

In his address to Congress, the president made clear that his new trade levies were here to stay, acknowledging it might create “a little disturbance.” Analysts forecast what that might look like.

Trade wars during President Trump’s first term slashed billions of dollars in U.S. agricultural exports. Farmers and trade groups expect an even bigger hit this time.

President Trump has offered a mix of reasons for upending global trade relations, baffling and angering America’s biggest trading partners.

Prime Minister Justin Trudeau of Canada warned that the Trump administration’s tariffs were leading to a trade war. Mexico’s leader vowed to impose countermeasures on Sunday.

Importers will have to make changes to pay new tariffs on goods from Canada, Mexico and China, and government agencies will need more resources to enforce the fees.

The decrease in fentanyl overdoses, drug policy experts have said, has more to do with public health measures than changes in border policies.

Some European executives see rising trade tensions as a potential opportunity, but they are watching warily for more moves in Washington.