Every nation has the right to distinguish, by country of origin, who can migrate to it and apply appropriate immigration policies, according to the great medieval scholar and saint Thomas Aquinas.
In a surprisingly contemporary passage of his Summa Theologica, Aquinas noted that the Jewish people of Old Testament times did not admit visitors from all nations equally, since those peoples closer to them were more quickly integrated into the population than those who were not as close.
Some antagonistic peoples were not admitted at all into Israel due to their hostility toward the Jewish people.
This is getting dangerous. …