Assertion: ape's level | /r/HasProperty | due
Facets:
value: to the feeding
type: CAUSE
Source sentences:
text: It has been suggested that higher levels of aggression and conflict with other chimpanzee groups in the area were due to the feeding, which could have created the "wars" between chimpanzee social groups described by Goodall, aspects of which she did not witness in the years before artificial feeding began at Gombe.