what can we know about early peoples from studying the tools they used

In fact, these early humans made a relatively wide variety of stone tools that were used for processing various plant and animal materials. Their tool kits included choppers, cleavers, and hammers as well as flakes used as knives and scrapers.

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. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.