The Confederate government blockaded the Southern economy by bad policies like impressment and trying to run the blockade themselves. The government declared that fifty percent of all cargo space had to be for the Confederate government.
Lecture 5 of 8 from Mark Thornton's The Economics of the Civil War, presented to the Auburn University Academy for Lifelong Learners.
Mark Thornton is a Senior Fellow at the Mises Institute and the book review editor of the Quarterly Journal of Austrian Economics. He has authored seven books and is a frequent guest on national radio shows.