Question

Jane goodall has devoted her professional life to the study of chimps in east africa. what has she found to be the single most important social activity that reduces hostilities and improves relationships in the chimp community?

Answer 1

I believe the answer is: Social grooming

Social grooming refers to the tendency among certain types of living organisms to maintain our physical appearance.
In evolutionary stand point, humans and animals tend to maintain our physical appearance because it might perceive as an indicator of hygiene and good health, which will increase our likelihood to obtain mates.