Answer:
I believe because some prats of south amsica where conceyed by different people Spain and proutugul and because of the different tribes of native poeple
Explanation:
Answer:
Economic resources of the Rocky Mountains are varied and abundant. Minerals found in the Rocky Mountains include significant deposits of copper, gold, lead, molybdenum, silver, tungsten, and zinc. The Wyoming Basin and several smaller areas contain significant reserves of coal, natural gas, oil shale, and petroleum.
D) It was in the middle of an economic boom
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