The document summarizes the major civilizations that arose in Mesopotamia between 3000 BC to 600 BC. It discusses the Sumerians, Babylonians, Hittites, Assyrians, Chaldeans, Persians, Phoenicians, Lydians, and Hebrews/Jews. The Sumerians invented writing and city-states ruled by kings. The Babylonians adopted Sumerian culture and had Hammurabi's law code of "an eye for an eye". The Assyrians were fierce warriors that built a large empire through conquest and deporting defeated populations. The Persians built a vast empire from India to Europe with an imperial bureaucracy and respected local religions.