It was primarily "b. An oil embargo" that contributed in forcing the U.S to confront the scarcity of fossil fuels, since up until then the US hadn't faced many issues in terms of acquiring enough fuel.
Answer:westward expansion, the 19th-century movement of settlers into the American west, began with th Louisiana Purchase and was fueled by the gold rush, the oregan trail and a belief in “manifest destiny”. Your welcome .-.
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Arizona, California, western Colorado, Nevada, New Mexico, Texas, and Utah
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lol he got that from the internet waste or ur time look The ancient Egyptians were one of the first cultures to widely divide days into generally agreed-upon equal parts, using early timekeeping devices such as sundials, shadow clocks, and merkhets (plumb-lines used by early astronomers). Obelisks are used by reading the shadow that it makes.its the same thing!
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