What did these prehistoric cultures do to survive and provide for their daily needs?

In the Paleolithic period (roughly 2.5 million years ago to 10,000 B.C.), early humans lived in caves or simple huts or tepees and were hunters and gatherers. They used basic stone and bone tools, as well as crude stone axes, for hunting birds and wild animals.

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an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.