Final answer:
In the American Civil War, extended supply lines posed logistical challenges for one side, affecting military efficiency.
Explanation:
The longer supply lines to the armies was a weakness of the
In the context of the American Civil War, the statement refers to the logistical challenges faced by one of the sides due to their extended supply lines.
This weakness can be attributed to the distance over which resources and reinforcements had to travel, impacting the efficiency and effectiveness of military operations.
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