[editor-surveyor]

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>> “Did this ancient civilization avoid war for 2000 years?” <<

No!

They were wiped off the face of the Earth.

Why are we expected to worship every failed culture?
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[Cronos]

#1. They were not wiped off the face of the earth. Their cultural traces are still among various Indic civilizations

#2. For a civilization that survived over 2000 years, that's hardly a "failure"...