Male Dominance

…

…not to play rough. This can be traced trough cultural evolution, from generation to generation all the way back to the hunter-gatherer societies. Testosterone and physical characteristics such as muscles, have also attributed to the rise of male dominance. However, it is in my opinion that girls, not so much boys, are starting to be raised differently. Many girls do not put up with aggressiveness of males anymore and this has been because of culture.