he United States Postal Service (USPS; also known as the Post Office, U.S. Mail, or Postal Service) is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, including its insular areas and associated states.
Federal
The Democratic and Republican candidates automatically get on the ballot, whereas third-party candidates usually have to get thousands of signatures on petitions just to be listed on the ballot.
Try The answer C and see if it’s correct