The Union’s control of the Mississippi River hurt the Confederacy’s ability to supply its troops.
maintain its navy.
divide the North.
recapture New Orleans.

A. supply its troops

Explanation:

the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

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