________are involved in determining what rules should govern attorneys.

A) Bar associations
B) State supreme courts
C) State legislatures
D) All of these choices are correct.

Bar associations, state supreme courts, and state legislatures all play roles in determining the rules that govern attorneys. Bar associations often propose rules and standards, state supreme courts typically have the ultimate authority to regulate the practice of law within a state, and state legislatures can enact laws that affect legal practice.