"An unjust law is itself a species of violence. Arrest for its breach is more so." The general meaning of this quotation being that a law that is placed on unfair terms is a type of violence and the arrest for it is even more unjust.
With the cotton grin, cotton became much more worthwhile crop because ratio output quantity decrease a lot more. also the plantation owner can make a more money or a larger profit on the use of slavery workers.
By using large illustrated ads.