What does the phrase "professional status" mean in the context of the law? Why did the US govt place that phrase in the law? How did that phrase shape the immigrant population coming from Asian nations?

Professional status refers to the duties a member of any profession has towards his associates, public and his clients.

This phrase was placed in US law to ensure every indivdual has a professional recognition and have moral responsibilities.

They have shaped the immigrant population by ensuring that skills of immigrants has legitimate and recognized in US

Explanation:

In law, duties and responsibilities of each profession have been clearly defined. People of that profession have moral responsibiltiy to adhere to those duties. This has given a defined structure to the employment in the country.