Why Do States Have Rules Regulating Attorneys

Why do states have rules regulating attorneys?

A) To protect the public interest by defining specific ethical requirements for attorneys
B) To ensure that anyone practicing law is competent to do so by establishing licensing and educational requirements
C) To ensure that each attorney has graduated from a local law school
D) All of these choices are correct
E) To protect the public interest by defining specific ethical requirements for attorneys and to ensure that anyone practicing law is competent to do so by establishing licensing and educational requirements