Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

The Federal Communications Commission (FCC) established the Amateur Radio Service with specific, legally defined foundational goals, which are outlined in Part 97.1 of the FCC rules. One of the primary pillars is to foster a pool of experts and advance the technical and communication phases of the radio art. The amateur service is designed to be an educational, experimental, and public service-oriented hobby. By encouraging amateurs to build equipment, experiment with antennas, and learn new modes, the service actively contributes to the advancement of radio technology and communication skills worldwide. The Amateur Radio Service is strictly non-commercial and is not intended to provide general "personal radio communications" for the public; services like Citizens Band (CB) or Family Radio Service (FRS) fill that role. While contesting is a fun activity, it is a byproduct of the hobby, not a foundational FCC purpose.