was the guiding rule, and everyone was someone else's prey. ... Sawdust and rat droppings were mixed into the sausage meat and deviled ham that killed about three thousand U.S. soldiers during the Spanish-American war in 1898. ... Following graduation, Sinclair went on to graduate study at Columbia University, where he began writing full-length novels with serious social themes. ... Some of the worst abuses of labor conditions took place in the big cities like New York and Chicago, and it was in Chicago, the cattle and commodity market of the Midwestern United States, that Upton Sincl...