The horrifying conditions in the meatpacking industry in the early 1900's are revealed through the experiences of immigrants as they try to make a living by working in the Chicago stockyards. United States of America; political and social history; after 1865; social conditions and relations; workers, labour, industrial relations; various branches of enterprise; culture, religion, ethics; culture, science and humanities, social sciences, philosophy; art, literature, literary works; 20th century; Sinclair, Upton.