Which sends water from the roots to the rest of the plant?

Xylem

Xylem are strong, thick tubes. They carry water and minerals from the plant's roots to its leaves. Water and minerals must reach the leaves.

Explanation:

xylem is a vascular conducting tissue which helps in conduction of water .

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.