Upton Sinclair’s novel “The Jungle” (13 сент 1904 г. – 28 июл 1906 г.)
Описание:
 provided awareness to the conditions of meat packing plants. This awareness called for the creation of various Food Inspection Acts 1904-1906 (Meat Packing Act and Pure Food and Drug Act) 
Добавлено на ленту времени:
Дата:
13 сент 1904 г.
28 июл 1906 г.
 ~ 1 years and 10 months