A monopoly is when one thing has control over the market they are in. It's a good thing for us as consumers of the U.S. postal service being a monopoly because we do not have to deal with price wars between competing companies. Due to the USPS being our best option for mailing various items in the United States and to other countries we don't have to constantly figure out which option of shipping is the best to ship and where they are in relation to where we live. The USPS is located all over the United States and deliver and pick up at almost every residence.