Because their society is unstable. They allow anyone and everyone in from many different cultures. Hence the cradle part.
This picture want show up on my screen sorry
Instrumental or cognitive aggression: these terms are interchangeable, both meaning the aggression is planned and is used as a means to meet a goal that can't be achieved in any other way.
Instrumental aggression is a planned attack and is typically the one means left. It is seen as necessary as no other plan has worked to achieve the goal. It is thought out and even justified by a higher moral grounds.
Explanation:
ya you ate right it is very confusing