The correct answer to this open question is the following.
Indeed, we have no question here. It is just a statement, But there is no question at all.
What do you want to know? What is your question?
If this is a true or false question, then the answer is true.
It is true that immigrants entering the United States through Ellis Island, New York, had to pass an intelligence test to prove they did not have any mental illness.
Indeed, they first had to pass a medical examination to detect diseases such as tuberculosis or eye infections. Then, the U:S Public Service asked immigrants to take an intelligence test designed by Dr. Howard A. Knox. He led immigrants to the test that include the proper order of cubes that had a sequential order of numbers.