From 1942 to 1964, the United States had a foreign workers program called 'Bracero' for Mexican citizens that was instituted because of US involvement in WW2. Similarly, to what the Rinos in the US Cong want to do now, but now it would be a Trojan horse for US citizenship. During that time, the Mexican migrant workers working under Bracero, and who had children in the US considered them US citizen by birth, or did they, the Mexican citizen believe that their children were US citizens.
"who had children in the US [did NOT] consider them US citizen by birth, ...."