The Cheyenne were intermediaries in the commerce of horses between the tribal groups of the southern Plains and those of the north-central Plains.
Trade between tribes like Cheyenne of the Plains frequently consisted of exchanging hunting-related goods for agricultural goods like corn and squash. After the seventeenth century, European and American commodities including horses, weapons, and other metal goods were incorporated into the preexisting Plains commerce system. The Assiniboin, Hidatsa, Mandan, Arikara, and later some eastern Sioux groups mediated the trade of guns and other items like bedding, beads, fabric, and kettles that came from the British and French for pelts and buffalo robes from clusters to the west.
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The great depression in 1929 is widely accredited to have been started by the Wall street crash, the drastic and fast fall in stock prices on the US stock market.
Radiocarbon dating is the method of dating bone that would yield the most accurate results. This kind of dating technique is used for determining the age of any object that contains organic materials in it. This is the method that was developed by a person named Willard Libby in the late 1940s. Libby got the Nobel Prize in the year 1960 for his great work.
