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 1917 French Army Mutinies were due to the loss suffered at the Second Battle of the Aisne which was the main action in the Nivelle Offensive. When the troops entered the battle, they were optimistic having been promised a decisive war-ending victory over the Germans by General Robert Nivelle. However, failure to win ruined their mood resulting in the mutinies