Answer: it started between the 2,000 b.c and the 4,000 .B.c . It lasted from 2000 years ago .
Explanation: hope it helps you .Thanks .
Answer:
It started between the year 4,000 BC and 2,000 BC, and lasted roughly 2,000 years.
I hope this helped you! :)
1.6m questions
2.0m answers