WASHINGTON — President Donald Trump’s push to revitalize American manufacturing by luring foreign investment into the U.S. has run smack into one of his other priorities: cracking down on illegal immigration.

Hardly a week after immigration authorities raided a sprawling Hyundai battery plant in Georgia, detained more than 300 South Korean workers and showed video of some of them shackled in chains, South Korean President Lee Jae Myung warned that the country’s other companies may be reluctant to take up Trump’s invitation to pour money into the United States.

The detained South Koreans were released Thursday and most were flown home .

If the U.S. can’t promptly issue visas to the technicians and other skilled workers needed to launch plants , then “establishing a local factor

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