New International Monetary Fund projections showed a global economy that was stopped in its tracks by the U.S. war in Iran.

Prime Minister Mark Carney of Canada speaking on Saturday at a Liberal Party convention in Montreal.

Steel pipes await export in Lianyungang, China. The country’s trade surplus reached nearly $1.2 trillion last year as exports continued to outpace imports.

A strike on the Bapco oil refinery in Bahrain in early March. A U.S. blockade of the Strait of Hormuz may give Iran a reason to restart attacks on energy assets throughout the Persian Gulf.

Electric vehicles at a Volkswagen plant in Dresden, Germany. The company is an extreme example of how difficult it has been for foreign automakers to cope in the U.S. car market.

A truck hauling material out of a mining valley for heavy rare earth metals on the outskirts of Longnan, China, in April.

Víctor Feliu at his chocolate company in Mexico. The changing rules for sending goods to the United States have forced him to pause his U.S. shipments.

A popular audio player, Toniebox. Toy sales in the United States are up, despite new tariffs, which contributed to, on average, a 4 percent increase in retail prices, according to Circana, a marketing research firm.

The city is dominated by gray Soviet-era apartment blocks.

An auto factory in China. President Trump has imposed duties on goods from allies like the European Union, Canada and India, as well as rivals like China.

President Trump and Jensen Huang of Nvidia in April. The Nvidia leader persuaded the president to approve A.I. chip sales by arguing that preventing them would only hurt U.S. tech companies.

Katrina Golden, at her coffee and cake shop, Lil Mama’s Sweets & Treats, inside the Veterans Affairs Medical Center in Augusta, Ga.

Jensen Huang, Nvidia’s chief executive, last month. Mr. Huang and President Trump struck the 15 percent arrangement at a White House meeting last week.

Assembling refrigeration and air-conditioning units at a factory for the Danish company Danfoss, in Apodaca, Nuevo Leon, Mexico.

In a handout image from Ukraine’s government, Scott Bessent, the U.S. Treasury secretary, and Yulia Svyrydenko, the Ukrainian economy minister, signed the minerals deal in Washington in April.

Group14 Technologies, a start-up, slowed the construction of a battery materials factory in Moses Lake, Wash., after its customers in China balked at paying higher tariffs.

President Trump with Keir Starmer, the British prime minister, at the White House in February.

Vice President JD Vance, his wife, Usha Vance, and their children at the Akshardham temple in New Delhi on Monday.