Navy Army CCU Customer Support Service Phone Number The customer support phone number of Navy Army CCU is 800-622-3631 (Click phone number to call).
Some characteristics of civilization include creation of permanent urban and administration centres, invention of political, social and economic institutions to address manâs basic needs such as food, shelter and security; external trade; a hierarchical system of classes; the development of arts and science, development of religious practices, and the invention of a written language for communication, record keeping and the transmission of culture.
The first civilizations were the River Valley civs, such as Yellow River, Tigris & Euphrates, the Nile, and the Indus civilizations. The first of these three was the Tigris & Euphrates civ, which was called Sumer. The Tigris & Euphrates are in modern day Iraq.