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.

The company counts on the sale of devices for three-quarters of its nearly $400 billion in annual revenue, and it makes almost all of its iPhones, iPads and Macs overseas.

© Hilary Swift for The New York Times

The company counts on the sale of devices for three-quarters of its nearly $400 billion in annual revenue, and it makes almost all of its iPhones, iPads and Macs overseas.

The iPhone maker spent years trying to move production of some products out of China to avoid tariffs. But now that may not matter.

© Juan Arredondo for The New York Times

The iPhone maker spent years trying to move production of some products out of China to avoid tariffs. But now that may not matter.

Countries with democratic governments and mostly free economies should come together and create a new trade regime, based on balance.