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Your answer is C.

Explanation:

Military tribunes were originally infantry commanders. Under the early republic there were six to a legion; some were appointed by the consuls (chief executives) or military commanders, and others were elected by the people. Under the empire he military tribune was a preliminary part of a senatorial or an equestrian career and subject to the emperor’s nomination. Tribunes commanded bodyguard units and auxiliary cohorts.

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the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

answer; ///i believe that the correct answer is (a) the great depression