Or simply relax immigration policies to basically let migrants get work permits, they would argue for a fair wage, and we can let the market decide. From what h

Or simply relax immigration policies to basically let migrants get work permits, they would argue for a fair wage, and we can let the market decide. From what history says, that's what the US used to be in previous centuries. People came and worked, and grew and made what the US had become before politicians decided to make it harder and harder for migrants to settle legally.