By Matt Rosenberg. A nations economy can be divided into various sectors to define the proportion of the population engaged in the activity sector. This categorization is seen as a continuum of distance from the natural environment.
Chow-Chow (or Chow-Chow Relish) is made from chopped green tomatoes (and sometimes red tomatoes), cabbage, mustard seed or powder, onions, hot peppers, sweet peppers, and vinegar.
What MREs do not contain are preservatives. This is because MRE food is retort packaged. The retort pouch is made of a strong layered combination of polyester, aluminum foil, and polypropylene, allowing the pouch to seal the commercially sterilized food ration for long periods of time (USDA, 2012).