When did the US Postal Service begin and what was its purpose?

U.S. Postal Service Workers Calling On Congress To Provide Funding In Next Stimulus Bill

Trump calls the U.S. Postal Service a "joke" says it's losing billions

US representatives call on Postal Service to fix 'mail failures' in western Washington

Bomb Team Called to Post Office to Check Suspicious Backpack

US Postal Service is slowing mail to save money ahead of the holiday season

In move to stay relevant, U.S. Post Office to debut digital mail previews

Protesters in Detroit call on president to save the U. S. Postal Service

The vital role of the U.S. Postal Service in American elections

US election: Democrats call on Postal Service leaders to testify

How The U.S. Postal Service Fell Into A Financial Black Hole

Behind the scenes of the U.S. Postal Service

Cummings Calls for Bipartisan Postal Service Reform Compromise

USPS Lets You Check Your Mail Before You Open The Mailbox - Newsy

In-Person Proofing and Digital Fingerprints

Schiff Calls For Investigation Into Mail Dumping Caught On Video

US Postal Service Has Warning For People With Pets

Can You Call The Post Office About A Package? - CountyOffice.org

Durbin calls for renewed efforts to protect USPS mail carriers

Protect Us All - U.S. Postal Inspection Service