President Javier Milei of Argentina, left, with Flávio Bolsonaro, who hopes to be Brazil’s next president, last month. Mr. Milei’s strident support of Mr. Bolsonaro’s candidacy led to a rift with the current Brazilian president.
The State Department overseen by Marco Rubio has restored the visas of political figures in Central America once penalized by the U.S. government and has revoked visas for others.