Over 500,000 migrants face loss of legal status under new U.S. policy.
The move aligns with stricter immigration enforcement efforts.
Temporary Protected Status (TPS) holders may be affected.
Many could face deportation or be forced to seek alternative visas.
The policy could impact industries relying on migrant labor.
Immigration advocates are preparing lawsuits against the decision.
The move sparks debate between immigration hardliners and reform advocates.