tribalization

/ˌtraɪbələˈzeɪʃən/
noun
  1. The process of dividing people into separate groups or tribes, often leading to strong group loyalty and conflict between groups.
    • Historians study the tribalization of ancient societies to understand how early communities formed.
    • The tribalization of the company's departments made teamwork nearly impossible.
    • Social media has accelerated the tribalization of political opinions.
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