He's listing them in order of the time as it builds up. I forgot the name, but it starts with a "C".
Human societies from the Paleolithic to the early Neolithic farming tribes lived without states and organized governments. For most of the Lower Paleolithic, human societies were possibly more hierarchical than their Middle and Upper Paleolithic descendants, and probably were not grouped.
Answer:
1-C
2-E
3-F
4-H
5-G
6-D
7-A
8-I
9-B
Explanation:I hope thats right correct me if im wrong