What is the term used by developmentalists to describe the psychological aspects of the sexual self?

The correct answer is Gender Role Identity.

Gender Role is described as the social position encompassing more than a few behaviors and attitudes which can be generally considered perfect, suitable, or perfect for human beings based on their real or perceived sex or sexuality. Gender roles are typically targeted on conceptions of femininity and masculinity, although there are exceptions and variations.

Both the han and the roman empire decline as a result of social unrest during their collapse.