What does the Gombe Chimpanzee War say about our past?

 https://youtu.be/0oRN0VeJlu4

*of deep psychology and sociology itself is an inheritance of governance and tradition. Keep in mind evolution and bioengineering requires the knowledge of what would happen if a creature (or group of creatures) would be jealous enough to attack. Is "jealous" or "envy" the right verbiage?...