Start operating as relatively cohesive collaborative

[Dont Distrub]

Start operating as relatively cohesive collaborative units with various division-of-labor roles. (I translate and summarize :) So to be working with unfamiliar in-group members who had no personal common ground? This led to conventionalization, the cultural practices are common in everyone, and everyone Brain Peak conformed to what others were doing and expects the same from others. This group-minded structuring of modern humans' activities and interactions, along with their conventional Means of communication, .

http://t-rexmusclefacts.com/brain-peak/