Base your answer to the question on the passage below and on your knowledge of social studies.
… Aside from female saints, the women described in the greatest detail by Byzantine authors are empresses and aristocrats. Although they had a certain amount of freedom, these women were held to very much the same standards as average women in Byzantine society: modesty, piety, and self-control were traits of an ideal woman. To preserve their modesty, young unmarried women rarely went out in public alone, and married women who did not have jobs outside the home left the house only for specific reasons, such as to go to the market, to church, or to the baths. By the middle Byzantine period, it was thought
appropriate for women, when they did go out, to cover their heads.…
— Molly Fulghum Heintz, “Work,” in Ioli Kalavrezou,
Byzantine Women and Their World, Harvard University
Art Museums, 2003 (adapted)
What is the primary theme of this passage?