I'd say the Southern colonies because they produced the most cotton.
Answer:
It happened after the Russian decision to avoid World War I.
"To accommodate for lack of dependable rainfall" would be the best option as to why the ancient Chinese organized large groups of people to build and maintain irrigation systems, since when rainfall would not come for long periods of time, the crops would likely die without proper irrigation.
Answer:Asia/ China
Explanation:
Centralized givernment and a corps of bureaucrats who could execute the wishes of that government and it lasted until 1911 CE
