The Alien Enemies Act of 1798 gives the president wartime powers to deport undocumented immigrants with little to no due process.
Trade wars with allies could spiral as the president tries to get trading partners to back down from retaliation with new threats of his own.
Prosecutors in San Antonio are putting human smugglers on trial, as legal avenues into the United States are closed off and dangers to undocumented migrants may be rising.
Mr. Musk’s Department of Government Efficiency has largely been shrouded in secrecy, but court cases are one way opponents of President Trump’s overhaul efforts have sought clarity.
The mother at the center of the case, January Littlejohn, was a guest of the first lady Melania Trump at President Trump’s speech to Congress last week.
The resolution, which passed the North Dakota House, was part of a broader push by some conservatives to end the national right to same-sex marriage.
U.S. officials were in Moscow for talks, and the Russian leader said he was open to a cease-fire, but President Volodymyr Zelensky of Ukraine expressed skepticism.