What are pelvic bones use for in whales

Hips don't lie: Whale pelvic bones are not vestigial but instead evolved to help the marine mammals maneuver better during sex. Whales have especially small pelvic bones compared to their body size.

Explanation:

hope this helps

you did not attach the discourse, but i assume it to be the discourse on the origin and basis of inequality among men (the original titile in french is: "discours sur l'origine et les fondements de l'inégalité parmi les hommes"), also know as "second discourse". in this discourse, jean-jacques rousseau emphasizes that private property is the basis of all inequalities.

therefore, what enabled the old regime to maintain as long as it did was private property.