A new inspector general delayed a decision on whether to approve the project and is said to have raised its potential political ramifications, in a test of the watchdog system in President Trump’s second term.

The deal came hours after President Trump had ordered federal agencies to stop using artificial intelligence technology made by Anthropic, an OpenAI rival.

Prime Minister Mark Carney visits India, Australia and Japan seeking deals to strengthen his country’s links to Indo-Pacific powers and break Canada’s dependence on the United States.

He sang and co-wrote some of the definitive teenage anthems of the 1950s and early ’60s, including “Breaking Up Is Hard to Do,” and then reinvented his career in the ’70s.

The company had clashed with the military over how officials wanted to use its cutting-edge A.I. model. The order could vastly complicate intelligence analysis and defense work.

Alberto Carvalho, superintendent of the Los Angeles Unified School District, was placed on paid leave after F.B.I. agents raided his home and district office this week.

The package worth billions of dollars and endorsed by lawmakers is stalled at the State Department as the U.S. and China plan an April summit.