The field studies of Japanese primatologist Kinji Imanishi about bonobos <u>revealed the importance of social cooperation</u> rather than competition.
Kinji Imanishi wanted to expand his views among great apes’ attack behaviors and social ranking, that is why he opted to investigate and demonstrate the Bonobos social cooperation rather than competition.
B and C, may be the answers
Hope that helps out some
I think it's b. I think so.
