How do you know that this is a law in scientific terms

answer:

Scientific laws also known as natural laws imply a cause and effect between the observed elements and must always apply under the same conditions. In order to be scientific law, a statement must describe some aspect of the universe and be based on repeated experimental evidence.

Explanation:

option number one would be youre best option

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.