Tolong jelaskan mengenai Warisan budaya dari Zaman Klasik

Grinin L. E. Early State in the Classical World: Statehood and Ancient Democracy. Dalam Grinin L. E. et al. (penyunting) Hierarchy and Power in the History of civilizations: Ancient and Medieval Cultures hlmn. 31–84). Moscow: URSS, 2008.Early State in the Classical World