The artist Fonki developed a graffiti style that blends ancient motifs with scenes of modern Cambodia.

© Cy Liu for The New York Times

Thailand, Vietnam and other countries in the region face much higher tariffs on exports with Chinese-made components. But questions remain on how the U.S. defines a locally made product.

Thailand, Vietnam and other countries in the region face much higher tariffs on exports with Chinese-made components. But questions remain on how the U.S. defines a locally made product.

Secretary of State Marco Rubio wants to bolster ties with Asia to counter Beijing’s power, but President Trump’s tariff threats have nations asking why they should align with Washington.