Evidence of the moche culture's sophisticated metallurgy skills are the gold-and-turquoise found in the tomb of the warrior priest at sipán.

The answer is Earspool – a spool-shaped earplug device for earlobe. It is the evidence of the Moche Culture, civilized on the north coast of Peru Regions that is found in the tomb or grave of the warrior priest at Sipan.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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us court of appeals for the 11th circuit