Upton Sinclair said of his 1906 novel The Jungle, "I aimed at the public's heart and by accident I hit it in the stomach." What did he mean by that statement?

Hoping to write a best-selling novel, he instead wrote an exposé of the monopolistic practices of the meatpacking industry.%0D%0AHoping to write a best-selling novel, he instead wrote an exposé of the monopolistic practices of the meatpacking industry.%0D%0A%0D%0AHoping to show the plight of meatpacking workers, he revealed more powerfully the industry's extremely unsanitary conditions.%0D%0AHoping to show the plight of meatpacking workers, he revealed more powerfully the industry's extremely unsanitary conditions.%0D%0A%0D%0AHoping to show the unsanitary conditions of meatpacking, he revealed more powerfully the plight of that industry's workers.%0D%0AHoping to show the unsanitary conditions of meatpacking, he revealed more powerfully the plight of that industry's workers.%0D%0A%0D%0AHoping to write a best-selling novel, he instead wrote an exposé of the exploitation of the workers in the meatpacking industry.%0D%0AHoping to write a best-selling novel, he instead wrote an exposé of the exploitation of the workers in the meatpacking industry.

Hoping to write a best-selling novel, he instead wrote an exposé of the unsanitary conditions and exploitation of the workers in the meatpacking industry.