Power in our society is related to sex because power lets the male (and occasionally female) assert displays of fertility and virility (egg and sperm), through materialistic objects and behavior (job title, personal wealth and a boys club situation).

In that way, sexual assault in our society is related to the disparity (uneven gap) in power between men and women (article).
https://www.cbsnews.com/embed/videos/why-sexual-harassment-is-about-power-disparity-not-sex/

That is why sexual harassment is a display of power.

What we do not understand about the lasting effects of trauma.