Answer:
During the Civil War, the Union attempted to blockade the southern states. A blockade meant that they tried to prevent any goods, troops, and weapons from entering the southern states. By doing this, the Union thought they could cause the economy of the Confederate States to collapse.
Explanation:
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It would be "<span>c. A British merchant who ships manufactured goods to India on boats" would would benefit most from this construction, since it united the Pacific and Atlantic Oceans for the first time. </span>