. Slavery spread to the areas where there was good-quality soil for large plantations of high-value cash crops, such as tobacco, cotton, sugar, and coffee. By the early decades of the 19th century, the majority of slaveholders and slaves were in the southern United States, where most slaves were engaged in a work-gang system of agriculture on large plantations, especially devoted to cotton and sugar cane. Such large groups of slaves were thought to work more efficiently if directed by a managerial class called overseers, usually white men.
Slavery was a principal issue leading to the American Civil War. After the Union prevailed in the war, slavery was made illegal throughout the United States with the adoption of the Thirteenth Amendment to the United States Constitution.[11]
Section 1. Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction.
Section 2. Congress shall have power to enforce this article by appropriate legislation.
—Thirteenth Amendment to the United States Constitution[103]
Southern states prohibited the teaching of reading and writing to Black slaves. As slaves were illiterate, there are few accounts os slavery written by slaves. A few managed to learn. The first slave to public an account of slavery was Olaudah Equiano. Perhaps the most eloquent accont was written by Harriet Jacobs. Sojurner Truth and Stephen Douglas laster