Currently, the quality of meat and other foods has no limits. For example, a can of tomato soup can hold up to ten fly eggs in a regular-sized glass cup. While this may seem horrible and abominable, current food policies have improved significantly compared to about a century ago or so. The inventions of different machines that “clean” meat, the changes of various slaughterhouses that have impacted modern foods and other similar products, as well as the use of new chemicals to prevent the growth and reproduction of harmful bacteria are just some examples of recent progress. Improvements in the quality of meat and canned food have had both positive and negative impacts on the overall health of people and animals. Starting in the eastern part of the United States, meat packing first became popular after the invention of railroads which spread across the country. The selected meats were stored in the refrigerated rooms of the factories, a process that began in the late 17th century. Previously, meats were preserved in ice collected from nearby lakes during the winter, which preserved them until summer. Due to the high weight of the pieces of meat, the smokehouse was invented in 1899, which allowed easier and faster transportation of the unfinished product from point A to point B (red meat industry). Many slaughterhouses were not disease-free, by any means. Bits of unused or unprocessed meat remained in the corners of buildings, making the areas extremely contagious. A simple cut on your index finger could result in emergency medical treatment or amputation. Influenced by Upton Sinclair's book, The Jungle, which described the gruesome conditions of meat factories and......middle of paper......flees, both religious and everyday foods . The evolution of the meat industry evolved around The Jungle, which caused the introduction of the Pure Food and Drug Act and the Meat Inspection Act, which, in turn, changed the meat industry for the better. New machines have increased the amount of meat processed, which requires preparing more cattle for slaughter in the future. Animal testing has expanded the medical field, raising controversy from many in the public, and as a result, caused the formation of many anti-testing organizations. Many have converted to vegetarianism and veganism to prevent meat consumption, after discovering the truth about both slaughterhouses and the chemicals consumers ingest. Whether the evolution of meat processing has improved society at large and the entire human race depends on the individual and his or her opinions.