The correct options are
A Rules and principles enshrined in the Constitution need to be followed.
B The courts can declare the election as null and void.
C Television, newspapers, and other forms of media can be used to highlight the unfair means used in the election.
In a democratic setup, elections and the authority of elected representatives is enshrined in the Constitution. In the event of any unfair means undertaken to change electoral outcomes, the courts can declare the election as null and void. Television, newspapers and other forms of media can also highlight the issues with elections.