I think the answer is d hope it helps
<em>Farming meant that people did not need to travel to find food. Instead, they began to live in settled communities, and grew crops or raised animals on nearby land. They built stronger, more permanent homes and surrounded their settlements with walls to protect themselves.</em>
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<h2><em>You're welcome ✨</em></h2><h2><em>Have a nice night </em></h2><h2><em /></h2>
I guess that it was the fact that people would finally be able to communicate and understand one another. Hope this helps!
