In 1873, San Francisco introduced the cable car system. This mode of transportation was invented by Andrew Smith Hallidie. He was inspired to build this system as a result of a bad accident. A street carriage slid backwards, killing the horses pulling it. He was shocked and decided to do something about it by designing a different form of transportation that would prevent something like that from happening again.
The Reichstag Fire Decree is the common name of the Decree of the Reich President for the Protection of People and State issued by German President Paul von Hindenburg on the advice of Chancellor Adolf Hitler on 28 February 1933 in immediate response to the Reichstag fire
The answer is
B. Gypsum Hills
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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