Define/describe/explain the following: Lincoln's Blockade​

In less than a week, the Union began its blockade of the southern states in an effort to prevent the trade of goods, supplies, and weapons between the Confederacy and other nations. Prize law is that part of international law which concerns the capture of enemy property by a belligerent at sea during war

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the tallest building in the western hemisphere and the sixth tallest building in the world

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