This document outlines 3 historical social and economic systems: 1) The primitive communal system characterized by collective labor, communal ownership, and no social classes. 2) The slave social economic system defined by private property ownership where slaves were treated as property. Society was managed by the state and divided into slave owners, slaves, and independent laborers. 3) The feudal social system based on feudal land ownership where forced laborers worked for the benefit of lords in exchange for use of land.