The belief that we are morally obligated to engage in productive labor and to avoid idleness and laziness is called

This is what you would call the work ethic. The belief that there is a moral benefit in work which strengthens the character and is virtue unto itself is what is called the work ethic. This is considered vital for properly doing a job and a person who has a strong work ethic is an embodiment of certain principles.

sumerians were polytheistic, meaning they believed in many different gods. so, the best answer is c.

answer; limbic system;