How did the geography of the Indus River Valley influence where people settled?

The Indus River and its tributaries supplied water for drinking, farming, and raising animals, so settlements tended to form near these reliable water sources. This makes “Water sources determined where people chose to settle” the best answer. The river’s flooding could also enrich farmland, but it did not create many equally suitable places to live.

AI-written and checked against the verified answer.