Slavery was able to spread in the south because? a. the cotton grind made cleaning cotton less labor- intensive b. the planters were able to grow more cotton with less labor c. growing cotton spreads to more states d. none of the above e. all of the above

The answer to your question would be B The planters were able to grow more cotton with less labor, that sparked a rise in the slave industry because more people could get more done with less slaves, and the less slaves the less money had to come out of their pockets