Before private courier and postal delivery services such as UPS or FedEx existed, the United States Postal Service (USPS) was the very first postal service in the United States. Back in the late seventies, everyone believed that it would be a good idea to have a postal delivery service run by the government. They believed that certain quality controls would be put in place and the service would be more reliable that way.
People believed that with a postal delivery service run by the government, they could rely on their letters getting to their final destination. This is how the United States ...