Which reason for the construction of the Panama Canal was MOST relevant to the creation of the Roosevelt Corollary to the Monroe Doctrine?

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(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

the real answer is b

b. ensure mutual protection from communism.

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