what is the belief that music can directly influence a persons character?\nroman military\ngreek…

Brief Explanations:

The doctrine of ethos is the belief in ancient Greek thought that music has the power to directly influence a person's character and moral - ethical state. Roman military is related to warfare and defense, Greek mythology consists of stories about gods and heroes, and music of the spheres is a philosophical concept about the harmony of the universe related to celestial bodies, not about music influencing individual character.

Answer:

doctrine of ethos