I would say 10,000 years ago. I did heard and read it in a book. I'm not too sure who the first man was...
Answer:
an period of high-stakes tension between russia and us
Explanation:
*** nuclear arms race--> they both attempted to gather as many nuclear weapons as possible to act like a threat to the other
the cw was a period of geopolitical tension between the su and the us and their respective allies, the 'Eastern Bloc and the Western Bloc', after WW II.
--> the period is generally considered to span the 1947 Truman Doctrine to the 1991 dissolution of the su.
The mirror would possibly be a color white or clear
They switched from kinship like tribes to social heirarchy w/ nobles.
