I believe the answer is: Yangtze river
The three gorges dam is the world's largest power station that built around the Yangtze River. The initial construction of this power station caused the Yangtze river unable to contain the amount of water that it used to be, which led to flooding in areas near that river.
They became a military society to protect and too gain land. By the way the spartans were very succesful too.
666 (referred to in Revelation) is the number of the beast, or Satin.
It brings patience and kindness into your relationship.