Who does the sec oversee? brokers consumers managers workers

I believe the answer is: Brokers

A brokers' main job is to be a medium that faciliate the sells of a certain assets from one individual  to another, but they mostly used for facilitating the sales of securities. The SEC protected the consumers from the brokers who are knowingly manipulate the value of securities. It is predicted that the SEC had protected $3.8 trillion worth of trading anually.

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.