> Its "free labor" as machines do not try to escape, That is most certainly not the usual interpretation of free labor. The overwhelming majority of slaves in

> Its "free labor" as machines do not try to escape, That is most certainly not the usual interpretation of free labor. The overwhelming majority of slaves in the US were field hands in plantations growing cash crops. How exactly did rudimentary agricultural mechanization around the time of the American Civil War in any way precipitate abolition?