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 immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. When Russia began to mobilize due to its alliance with Serbia, Germany declared war on Russia.
No, the only atomic bombs we have ever dropped on a foreign country are the two we dropped on Japan during WWII.
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The Monroe Doctrine stated that the United States would not get involved in European conflicts in Latin America. Option C is correct.
The Monroe Doctrine was passed on 2nd December in the year 1823 and stated that the United States would not get involved in European wars or even internal affairs of the European countries.
The Monroe Doctrine constituted a United States policy of opposing European colonialism in the Americas beginning in 1823.