In conclusion, the ancient civilizations of Egypt, Rome and China maintained a strict social hierarchy, which was important for running stable, progressive and well-culturally preserved societies. The key elements that played a role in achieving that were the well-defined social order, the substantial social and economic inequality and the distinctive social norms. In each of the three civilizations, the classes were visible and there was no room for chaos, because strict laws were in place. Inequality ensured the movement forward, but social norms provided order and kept the hierarchical pyramid in place. Without the vital feature of the social hierarchy, it would not be possible for the societies to preserve their traditions and ensure continuity