PART A: Which of the following identifies the central idea of the text? A Tribalism has an overwhelmingly negative effect on modern society due to the way it promotes the need for tribes to expand their influence into other tribes. B Tribalism is a necessary part of modern society. However, the extreme behavior that it can promote must be combatted in order for it to play a productive role in society. C Tribalism was necessary in order for humans to survive in groups in the past. However, it does not play a productive role in society today. D Tribalism plays an overwhelmingly positive role in modern society, and there are relatively few who use it as an excuse for violence.