Question: The Helicon Home Colony was an experimental community formed by author Upton Sinclair using proceeds from what novel that portrayed the harsh conditions and exploited lives of immigrants in the United States in Chicago and similar industrialized cities? 
Sentence (from "Helicon Home Colony"): Helicon Home Colony was an experimental community formed by author Upton Sinclair in Englewood, New Jersey, United States, with proceeds from his novel "The Jungle".
Relevant evidence: Yes