2. The immune systems is built of millions of cells called: a. Erythrocytes (red blood cells)
b. Immune cells
c. Leukocytes (white blood cells)
d. Lymphocytes

c. Leukocytes (white blood cells)

Explanation:

When they do, so-called daughter cells are generated that have receptors identical to those found on the original lymphocytes. The result is a family of lymphocytes, called a lymphocyte clone.

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.