Indentured Servants I believe
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this is the answer hope it helps you
Roaring twenties, that should be it
Answer:
neanderthal and cro-magnon people produced a variety of sophisticated tools such as retouched blades, end scrapers, “nosed” scrapers, the chisel-like tool known as a burin, and fine bone tools (see Aurignacian culture). They also seem to have made tools for smoothing and scraping leather.