Which of the Following Is Least Accurate About the Meat

Which of the following is least accurate about the meat packing industry about 1900?

A) The 1898 "embalmed beef" scandal documented how adulterated beef was provided to the American Army during the Spanish-American War.
B) Upton Sinclair's 1906 novel The Jungle raised national concern about the unsanitary conditions involved in meat processing.
C) Meat packing firms welcomed government regulation of the industry because it gave firms clear and accurate public information about the shipments of every other firm, which helped firms to engage in cartel behavior.
D) Federal regulations helped level the playing field so that small firms could compete more easily against large firms.