Phillipson states the Twelve Tables were, “A set of statutes known as the Twelve Tables that was passed by an early assembly served as the foundation of the Roman private law.
The Tigris provided fresh water in order to grow crops they created things called leeves that transport water to supply it. The eurphrates did the exact same thing they provided water for the crops. Hope this answered your question.
The primary purpose was always to protect the Chinese Empire from the Mongolians and other invaders. Most of the current Great Wall we see today was built in the Ming Dynasty (1368-1644) and is approximately 6000km long.
The Beaver tribe were led by shamans who were called “dreamers.”