The Louisiana Purchase opened up the United States at the time to the Midwest
The answer is B B A
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It begins in the high mountains of Tibet (southwestern China), flowing northwest through the Jammu & Kashmir region of India and Pakistan, then generally south through Pakistan, ending in the Arabian Sea. The Indus, through a series of dams and canals, provides much of the irrigation and power for central Pakistan.
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The revolts of 1830 and 1848 were based solely in France. Spain was never involved in these revolts, so this is true.