Tia Tides

What would a civilization do if it knew it was only 20,000 years old? The eight civilizations in the world of Tia gave answers: the first chose madness, the second chose waiting, the third chose sacrifice, the fourth chose escape, the fifth chose adaptation, the sixth chose resistance, the seventh chose sacrifice, and the eighth - chose counterattack. This is a relay spanning 100,000 years, and each step is the entirety of a civilization.