They all fall under modern conflict theory. Conflict theory is
usually under the broad umbrella feminist theory. Men's
rights/women's rights/human rights are generally all under
feminist studies because, well, simply, not everybody thinks in
terms of [x] rights vs [y] power group In short, that's why
men's rights and women's rights movements look identical from
the outside. They're on the same spectrum, part of the same
family / way of thinking.