societal division and discord

وَلَقَدْ أَرْسَلْنَآ إِلَىٰ ثَمُودَ أَخَاهُمْ صَـٰلِحًا أَنِ ٱعْبُدُوا۟ ٱللَّهَ فَإِذَا هُمْ فَرِيقَانِ يَخْتَصِمُونَ

And We had certainly sent to Thamūd their brother Ṣāliḥ, [saying], "Worship Allāh," and at once they were two parties conflicting.