<P> The Union blockade in the American Civil War was a naval strategy by the United States to prevent the Confederacy from trading . </P>
<P> The Union blockade in the American Civil War was a naval strategy by the United States to prevent the Confederacy from trading . </P>
what did the north use to limit south 's trade
what did the north use to limit south 's trade
The Union blockade
The Union blockade