When did humans start to create permanent shelters? O With the development of agriculture
O During the hunter-gatherer era
O When caves and fields became too crowded
O After the invention of steel

With the development of agriculture

With the development of agriculture

Explanation:

Sometime about 10,000 years ago, the earliest farmers put down their roots—literally and figuratively. Agriculture opened the door to (theoretically) stable food supplies, and it let hunter-gatherers build permanent dwellings that eventually morphed into complex societies in many parts of the world.

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