I have studied my grandparents Ellis Island records and they have the same type of information as the records of Trump’s mother. In addition to passing a physical exam, the U.S. immigration officials knew who was coming in, how many were coming in, where in the USA they were going to, and who was responsible for taking care of them if they could not hack it (their relatives took care of them if they did not earn a living), and their home towns and villages. IF necessary the immigration officials knew where and how to deport them.
In those days, immigration officials also knew that the immigrant was not diseased, was not insane, was not an anarchist or a communist, Was not a criminal ...