46. Indus Valley civilization
Mesopotamian civilization
The Chinese Civilization
The Ancient Greek Civilization
The Roman Civilization
The Aztec Civilization
The Incan Civilization
47.
48. Mesopotamia is a historical region of Western Asia situated within
the Tigris–Euphrates river system, in the northern part of the Fertile
Crescent, in modern days roughly corresponding to most
of Iraq, Kuwait, the eastern parts of Syria, Southeastern Turkey, and
regions along the Turkish–Syrian and Iran–Iraq borders.