Answer:
The first civilization was ancient Mesopotamia, which was in the Fertile Crescent, an area in the middle east which is notorious for it's great farmland.
Explanation:
The reasons for the demise of the Mycenaean civilization, which occurred in stages from c. 1230 BCE to c. 1100 BCE, are debated. We do know that several sites were destroyed between 1250 and 1200 BCE, ushering in the so-called Post-Palatial period when the centralised system of palace control declined.
The main way in which anthropologists are able to make generalizations about human behavior is by looking at how they used to live their life--their tools, migration patters, war tactics, etc--which are very similar throughout populations.
