Answer:
I don't know what you are saying
The answer would be B, it involved a deliberate effort to eliminate all the people in one ethnic or cultural group.
Genocide is the systematic, deliberate elimination of everyone in a particular ethnic, cultural political, religious, etc, group.
10 percent before the cival war
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.